Array index error in the aio_read_events_ring function in fs/aio.c in the Linux kernel through 3.15.1 allows local users to obtain sensitive information from kernel memory via a large head value.

According to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - A flaw was found in the USB-MIDI Linux kernel driver: a     double-free error could be triggered for the 'umidi'     object. An attacker with physical access to the system     could use this flaw to escalate their     privileges.(CVE-2016-2384i1/4%0

  - A vulnerability was found in Linux kernel. There is an     information leak in file 'sound/core/timer.c' of the     latest mainline Linux kernel, the stack object     aEURoetreadaEUR has a total size of 32 bytes. It contains a     8-bytes padding, which is not initialized but sent to     user via copy_to_user(), resulting a kernel     leak.(CVE-2016-4569i1/4%0

  - The dgram_recvmsg function in net/ieee802154/dgram.c in     the Linux kernel before 3.12.4 updates a certain length     value without ensuring that an associated data     structure has been initialized, which allows local     users to obtain sensitive information from kernel stack     memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg     system call.(CVE-2013-7281i1/4%0

  - The tcp_v6_syn_recv_sock function in     net/ipv6/tcp_ipv6.c in the Linux kernel through 4.14.11     allows attackers to cause a denial of service (slab     out-of-bounds write) or possibly have unspecified other     impact via vectors involving TLS.(CVE-2018-5703i1/4%0

  - An issue was discovered in the fd_locked_ioctl function     in drivers/block/floppy.c in the Linux kernel. The     floppy driver will copy a kernel pointer to user memory     in response to the FDGETPRM ioctl. An attacker can send     the FDGETPRM ioctl and use the obtained kernel pointer     to discover the location of kernel code and data and     bypass kernel security protections such as     KASLR.(CVE-2018-7755i1/4%0

  - The usbnet_generic_cdc_bind function in     drivers/net/usb/cdc_ether.c in the Linux kernel through     4.13.11 allows local users to cause a denial of service     (divide-by-zero error and system crash) or possibly     have unspecified other impact via a crafted USB     device.(CVE-2017-16649i1/4%0

  - Heap-based buffer overflow in the wcnss_wlan_write     function in drivers/net/wireless/wcnss/wcnss_wlan.c in     the wcnss_wlan device driver for the Linux kernel 3.x,     as used in Qualcomm Innovation Center (QuIC) Android     contributions for MSM devices and other products,     allows attackers to cause a denial of service or     possibly have unspecified other impact by writing to     /dev/wcnss_wlan with an unexpected amount of     data.(CVE-2016-5342i1/4%0

  - drivers/media/usb/dvb-usb/dib0700_devices.c in the     Linux kernel through 4.13.11 allows local users to     cause a denial of service (BUG and system crash) or     possibly have unspecified other impact via a crafted     USB device.(CVE-2017-16646i1/4%0

  - A flaw was found in the TIPC networking subsystem which     could allow for memory corruption and possible     privilege escalation. The flaw involves a system with     an unusually low MTU (60) on networking devices     configured as bearers for the TIPC protocol. An     attacker could create a packet which will overwrite     memory outside of allocated space and allow for     privilege escalation.(CVE-2016-8632i1/4%0

  - An issue was discovered in the XFS filesystem in     fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel. A     denial of service due to the NULL pointer dereference     can occur for a corrupted xfs image upon encountering     an inode that is in extent format, but has more extents     than fit in the inode fork.(CVE-2018-13095i1/4%0

  - Linux kernel built with the KVM visualization support     (CONFIG_KVM), with nested visualization (nVMX) feature     enabled (nested=1), is vulnerable to a crash due to     disabled external interrupts. As L2 guest could access     (r/w) hardware CR8 register of the host(L0). In a     nested visualization setup, L2 guest user could use     this flaw to potentially crash the host(L0) resulting     in DoS.(CVE-2017-12154i1/4%0

  - The do_double_fault function in arch/x86/kernel/traps.c     in the Linux kernel through 3.17.4 does not properly     handle faults associated with the Stack Segment (SS)     segment register, which allows local users to cause a     denial of service (panic) via a modify_ldt system call,     as demonstrated by sigreturn_32 in the     linux-clock-tests test suite.(CVE-2014-9090i1/4%0

  - A race condition flaw was found in the way the Linux     kernel's mac80211 subsystem implementation handled     synchronization between TX and STA wake-up code paths.
    A remote attacker could use this flaw to crash the     system.(CVE-2014-2706i1/4%0

  - The snd_seq_ioctl_remove_events function in     sound/core/seq/seq_clientmgr.c in the Linux kernel     before 4.4.1 does not verify FIFO assignment before     proceeding with FIFO clearing, which allows local users     to cause a denial of service (NULL pointer dereference     and OOPS) via a crafted ioctl call.(CVE-2016-2543i1/4%0

  - The gtco_probe function in drivers/input/tablet/gtco.c     in the Linux kernel through 4.5.2 allows physically     proximate attackers to cause a denial of service (NULL     pointer dereference and system crash) via a crafted     endpoints value in a USB device     descriptor.(CVE-2016-2187i1/4%0

  - An integer overflow flaw was found in the Linux     kernel's create_elf_tables() function. An unprivileged     local user with access to SUID (or otherwise     privileged) binary could use this flaw to escalate     their privileges on the system.(CVE-2018-14634i1/4%0

  - A use-after-free flaw was found in the Netlink     functionality of the Linux kernel networking subsystem.
    Due to the insufficient cleanup in the mq_notify     function, a local attacker could potentially use this     flaw to escalate their privileges on the     system.(CVE-2017-11176i1/4%0

  - Array index error in the aio_read_events_ring function     in fs/aio.c in the Linux kernel through 3.15.1 allows     local users to obtain sensitive information from kernel     memory via a large head value.(CVE-2014-0206i1/4%0

  - arch/arm/kernel/sys_oabi-compat.c in the Linux kernel     before 4.4 allows local users to gain privileges via a     crafted (1) F_OFD_GETLK, (2) F_OFD_SETLK, or (3)     F_OFD_SETLKW command in an fcntl64 system     call.(CVE-2015-8966i1/4%0

  - An issue was discovered in the Linux kernel through     4.17.2. The filter parsing in     kernel/trace/trace_events_filter.c could be called with     no filter, which is an N=0 case when it expected at     least one line to have been read, thus making the N-1     index invalid. This allows attackers to cause a denial     of service (slab out-of-bounds write) or possibly have     unspecified other impact via crafted perf_event_open     and mmap system calls.(CVE-2018-12714i1/4%0

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - The n_tty_write function in drivers/tty/n_tty.c in the     Linux kernel through 3.14.3 does not properly manage     tty driver access in the 'LECHO i1/4+ !OPOST' case, which     allows local users to cause a denial of service (memory     corruption and system crash) or gain privileges by     triggering a race condition involving read and write     operations with long strings.(CVE-2014-0196)

  - Array index error in the aio_read_events_ring function     in fs/aio.c in the Linux kernel through 3.15.1 allows     local users to obtain sensitive information from kernel     memory via a large head value.(CVE-2014-0206)

  - The fst_get_iface function in drivers/net/wan/farsync.c     in the Linux kernel before 3.11.7 does not properly     initialize a certain data structure, which allows local     users to obtain sensitive information from kernel     memory by leveraging the CAP_NET_ADMIN capability for     an SIOCWANDEV ioctl call.(CVE-2014-1444)

  - The wanxl_ioctl function in drivers/net/wan/wanxl.c in     the Linux kernel before 3.11.7 does not properly     initialize a certain data structure, which allows local     users to obtain sensitive information from kernel     memory via an ioctl call.(CVE-2014-1445)

  - The yam_ioctl function in drivers/net/hamradio/yam.c in     the Linux kernel before 3.12.8 does not initialize a     certain structure member, which allows local users to     obtain sensitive information from kernel memory by     leveraging the CAP_NET_ADMIN capability for an     SIOCYAMGCFG ioctl call.(CVE-2014-1446)

  - The help function in net/netfilter/nf_nat_irc.c in the     Linux kernel before 3.12.8 allows remote attackers to     obtain sensitive information from kernel memory by     establishing an IRC DCC session in which incorrect     packet data is transmitted during use of the NAT mangle     feature.(CVE-2014-1690)

  - A flaw was found in the way the Linux kernel's floppy     driver handled user space provided data in certain     error code paths while processing FDRAWCMD IOCTL     commands. A local user with write access to /dev/fdX     could use this flaw to free (using the kfree()     function) arbitrary kernel memory. (CVE-2014-1737,     Important)

  - It was found that the Linux kernel's floppy driver     leaked internal kernel memory addresses to user space     during the processing of the FDRAWCMD IOCTL command. A     local user with write access to /dev/fdX could use this     flaw to obtain information about the kernel heap     arrangement. (CVE-2014-1738, Low)

  - Note: A local user with write access to /dev/fdX could     use these two flaws (CVE-2014-1737 in combination with     CVE-2014-1738) to escalate their privileges on the     system.(CVE-2014-1737)

  - A flaw was found in the way the Linux kernel's floppy     driver handled user space provided data in certain     error code paths while processing FDRAWCMD IOCTL     commands. A local user with write access to /dev/fdX     could use this flaw to free (using the kfree()     function) arbitrary kernel memory. (CVE-2014-1737,     Important)

  - It was found that the Linux kernel's floppy driver     leaked internal kernel memory addresses to user space     during the processing of the FDRAWCMD IOCTL command. A     local user with write access to /dev/fdX could use this     flaw to obtain information about the kernel heap     arrangement. (CVE-2014-1738, Low)

  - Note: A local user with write access to /dev/fdX could     use these two flaws (CVE-2014-1737 in combination with     CVE-2014-1738) to escalate their privileges on the     system.(CVE-2014-1738)

  - An information leak flaw was found in the way the Linux     kernel handled media device enumerate entities IOCTL     requests. A local user able to access the /dev/media0     device file could use this flaw to leak kernel memory     bytes.(CVE-2014-1739)

  - The security_context_to_sid_core function in     security/selinux/ss/services.c in the Linux kernel     before 3.13.4 allows local users to cause a denial of     service (system crash) by leveraging the CAP_MAC_ADMIN     capability to set a zero-length security     context.(CVE-2014-1874)

  - The nfs_can_extend_write function in fs/nfs/write.c in     the Linux kernel before 3.13.3 relies on a write     delegation to extend a write operation without a     certain up-to-date verification, which allows local     users to obtain sensitive information from kernel     memory in opportunistic circumstances by writing to a     file in an NFS filesystem and then reading the same     file.(CVE-2014-2038)

  - The ip6_route_add function in net/ipv6/route.c in the     Linux kernel through 3.13.6 does not properly count the     addition of routes, which allows remote attackers to     cause a denial of service (memory consumption) via a     flood of ICMPv6 Router Advertisement     packets.(CVE-2014-2309)

  - net/netfilter/nf_conntrack_proto_dccp.c in the Linux     kernel through 3.13.6 uses a DCCP header pointer     incorrectly, which allows remote attackers to cause a     denial of service (system crash) or possibly execute     arbitrary code via a DCCP packet that triggers a call     to the (1) dccp_new, (2) dccp_packet, or (3) dccp_error     function.(CVE-2014-2523)

  - Use-after-free vulnerability in the nfqnl_zcopy     function in net/netfilter/nfnetlink_queue_core.c in the     Linux kernel through 3.13.6 allows attackers to obtain     sensitive information from kernel memory by leveraging     the absence of a certain orphaning operation. NOTE: the     affected code was moved to the skb_zerocopy function in     net/core/skbuff.c before the vulnerability was     announced.(CVE-2014-2568)

  - It was found that a remote attacker could use a race     condition flaw in the ath_tx_aggr_sleep() function to     crash the system by creating large network traffic on     the system's Atheros 9k wireless network     adapter.(CVE-2014-2672)

  - A flaw was found in the way the Linux kernel performed     forking inside of a transaction. A local, unprivileged     user on a PowerPC system that supports transactional     memory could use this flaw to crash the     system.(CVE-2014-2673)

  - A race condition flaw was found in the way the Linux     kernel's mac80211 subsystem implementation handled     synchronization between TX and STA wake-up code paths.
    A remote attacker could use this flaw to crash the     system.(CVE-2014-2706)

  - A use-after-free flaw was found in the way the     ping_init_sock() function of the Linux kernel handled     the group_info reference counter. A local, unprivileged     user could use this flaw to crash the system or,     potentially, escalate their privileges on the     system.(CVE-2014-2851)

  - It was found that the try_to_unmap_cluster() function     in the Linux kernel's Memory Managment subsystem did     not properly handle page locking in certain cases,     which could potentially trigger the BUG_ON() macro in     the mlock_vma_page() function. A local, unprivileged     user could use this flaw to crash the     system.(CVE-2014-3122)

  - The (1) BPF_S_ANC_NLATTR and (2) BPF_S_ANC_NLATTR_NEST     extension implementations in the sk_run_filter function     in net/core/filter.c in the Linux kernel through 3.14.3     do not check whether a certain length value is     sufficiently large, which allows local users to cause a     denial of service (integer underflow and system crash)     via crafted BPF instructions. NOTE: the affected code     was moved to the __skb_get_nlattr and
    __skb_get_nlattr_nest functions before the     vulnerability was announced.(CVE-2014-3144)

  - The BPF_S_ANC_NLATTR_NEST extension implementation in     the sk_run_filter function in net/core/filter.c in the     Linux kernel through 3.14.3 uses the reverse order in a     certain subtraction, which allows local users to cause     a denial of service (over-read and system crash) via     crafted BPF instructions. NOTE: the affected code was     moved to the __skb_get_nlattr_nest function before the     vulnerability was announced.(CVE-2014-3145)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2015-0290 advisory.

  - arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.17.2 on Intel processors does not     ensure that the value in the CR4 control register remains the same after a VM entry, which allows host OS     users to kill arbitrary processes or cause a denial of service (system disruption) by leveraging /dev/kvm     access, as demonstrated by PR_SET_TSC prctl calls within a modified copy of QEMU. (CVE-2014-3690)

  - The Linux kernel through 3.14.5 does not properly consider the presence of hugetlb entries, which allows     local users to cause a denial of service (memory corruption or system crash) by accessing certain memory     locations, as demonstrated by triggering a race condition via numa_maps read operations during hugepage     migration, related to fs/proc/task_mmu.c and mm/mempolicy.c. (CVE-2014-3940)

  - kernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall     numbers during use of the perf subsystem, which allows local users to cause a denial of service (out-of-     bounds read and OOPS) or bypass the ASLR protection mechanism via a crafted application. (CVE-2014-7825)

  - kernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall     numbers during use of the ftrace subsystem, which allows local users to gain privileges or cause a denial     of service (invalid pointer dereference) via a crafted application. (CVE-2014-7826)

  - Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17     allows local users to cause a denial of service (file unavailability) via a combination of a write action     and an F_SETFL fcntl operation for the O_DIRECT flag. (CVE-2014-8086)

  - net/netfilter/nf_conntrack_proto_generic.c in the Linux kernel before 3.18 generates incorrect conntrack     entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols,     which allows remote attackers to bypass intended access restrictions via packets with disallowed port     numbers. (CVE-2014-8160)

  - The filesystem implementation in the Linux kernel before 3.13 performs certain operations on lists of     files with an inappropriate locking approach, which allows local users to cause a denial of service (soft     lockup or system crash) via unspecified use of Asynchronous I/O (AIO) operations. (CVE-2014-8172)

  - The pmd_none_or_trans_huge_or_clear_bad function in include/asm-generic/pgtable.h in the Linux kernel     before 3.13 on NUMA systems does not properly determine whether a Page Middle Directory (PMD) entry is a     transparent huge-table entry, which allows local users to cause a denial of service (NULL pointer     dereference and system crash) or possibly have unspecified other impact via a crafted MADV_WILLNEED     madvise system call that leverages the absence of a page-table lock. (CVE-2014-8173)

  - The ieee80211_fragment function in net/mac80211/tx.c in the Linux kernel before 3.13.5 does not properly     maintain a certain tail pointer, which allows remote attackers to obtain sensitive cleartext information     by reading packets. (CVE-2014-8709)

  - Stack-based buffer overflow in the ttusbdecfe_dvbs_diseqc_send_master_cmd function in     drivers/media/usb/ttusb-dec/ttusbdecfe.c in the Linux kernel before 3.17.4 allows local users to cause a     denial of service (system crash) or possibly gain privileges via a large message length in an ioctl call.
    (CVE-2014-8884)

  - The XFS implementation in the Linux kernel before 3.15 improperly uses an old size value during remote     attribute replacement, which allows local users to cause a denial of service (transaction overrun and data     corruption) or possibly gain privileges by leveraging XFS filesystem access. (CVE-2015-0274)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The openSUSE 13.1 kernel was updated to fix security issues and bugs :

Security issues fixed: CVE-2014-9322: A local privilege escalation in the x86_64 32bit compatibility signal handling was fixed, which could be used by local attackers to crash the machine or execute code.

CVE-2014-9090: The do_double_fault function in arch/x86/kernel/traps.c in the Linux kernel did not properly handle faults associated with the Stack Segment (SS) segment register, which allowed local users to cause a denial of service (panic) via a modify_ldt system call, as demonstrated by sigreturn_32 in the linux-clock-tests test suite.

CVE-2014-8133: Insufficient validation of TLS register usage could leak information from the kernel stack to userspace.

CVE-2014-0181: The Netlink implementation in the Linux kernel through 3.14.1 did not provide a mechanism for authorizing socket operations based on the opener of a socket, which allowed local users to bypass intended access restrictions and modify network configurations by using a Netlink socket for the (1) stdout or (2) stderr of a setuid program. (bsc#875051)

CVE-2014-4508: arch/x86/kernel/entry_32.S in the Linux kernel on 32-bit x86 platforms, when syscall auditing is enabled and the sep CPU feature flag is set, allowed local users to cause a denial of service (OOPS and system crash) via an invalid syscall number, as demonstrated by number 1000.

CVE-2014-3688: The SCTP implementation in the Linux kernel allowed remote attackers to cause a denial of service (memory consumption) by triggering a large number of chunks in an association's output queue, as demonstrated by ASCONF probes, related to net/sctp/inqueue.c and net/sctp/sm_statefuns.c.

CVE-2014-3687: The sctp_assoc_lookup_asconf_ack function in net/sctp/associola.c in the SCTP implementation in the Linux kernel allowed remote attackers to cause a denial of service (panic) via duplicate ASCONF chunks that trigger an incorrect uncork within the side-effect interpreter.

CVE-2014-7975: The do_umount function in fs/namespace.c in the Linux kernel did not require the CAP_SYS_ADMIN capability for do_remount_sb calls that change the root filesystem to read-only, which allowed local users to cause a denial of service (loss of writability) by making certain unshare system calls, clearing the / MNT_LOCKED flag, and making an MNT_FORCE umount system call.

CVE-2014-8884: Stack-based buffer overflow in the ttusbdecfe_dvbs_diseqc_send_master_cmd function in drivers/media/usb/ttusb-dec/ttusbdecfe.c in the Linux kernel allowed local users to cause a denial of service (system crash) or possibly gain privileges via a large message length in an ioctl call.

CVE-2014-3673: The SCTP implementation in the Linux kernel allowed remote attackers to cause a denial of service (system crash) via a malformed ASCONF chunk, related to net/sctp/sm_make_chunk.c and net/sctp/sm_statefuns.c.

CVE-2014-3186: Buffer overflow in the picolcd_raw_event function in devices/hid/hid-picolcd_core.c in the PicoLCD HID device driver in the Linux kernel, as used in Android on Nexus 7 devices, allowed physically proximate attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted device that sends a large report.

CVE-2014-7841: The sctp_process_param function in net/sctp/sm_make_chunk.c in the SCTP implementation in the Linux kernel, when ASCONF is used, allowed remote attackers to cause a denial of service (NULL pointer dereference and system crash) via a malformed INIT chunk.

CVE-2014-4611: Integer overflow in the LZ4 algorithm implementation, as used in Yann Collet LZ4 before r118 and in the lz4_uncompress function in lib/lz4/lz4_decompress.c in the Linux kernel before 3.15.2, on 32-bit platforms might allow context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted Literal Run that would be improperly handled by programs not complying with an API limitation, a different vulnerability than CVE-2014-4715.

CVE-2014-4608: Multiple integer overflows in the lzo1x_decompress_safe function in lib/lzo/lzo1x_decompress_safe.c in the LZO decompressor in the Linux kernel allowed context-dependent attackers to cause a denial of service (memory corruption) via a crafted Literal Run.

CVE-2014-8709: The ieee80211_fragment function in net/mac80211/tx.c in the Linux kernel did not properly maintain a certain tail pointer, which allowed remote attackers to obtain sensitive cleartext information by reading packets.

CVE-2014-3185: Multiple buffer overflows in the command_port_read_callback function in drivers/usb/serial/whiteheat.c in the Whiteheat USB Serial Driver in the Linux kernel allowed physically proximate attackers to execute arbitrary code or cause a denial of service (memory corruption and system crash) via a crafted device that provides a large amount of (1) EHCI or (2) XHCI data associated with a bulk response.

CVE-2014-3184: The report_fixup functions in the HID subsystem in the Linux kernel might have allowed physically proximate attackers to cause a denial of service (out-of-bounds write) via a crafted device that provides a small report descriptor, related to (1) drivers/hid/hid-cherry.c, (2) drivers/hid/hid-kye.c, (3) drivers/hid/hid-lg.c, (4) drivers/hid/hid-monterey.c, (5) drivers/hid/hid-petalynx.c, and (6) drivers/hid/hid-sunplus.c.

CVE-2014-3182: Array index error in the logi_dj_raw_event function in drivers/hid/hid-logitech-dj.c in the Linux kernel allowed physically proximate attackers to execute arbitrary code or cause a denial of service (invalid kfree) via a crafted device that provides a malformed REPORT_TYPE_NOTIF_DEVICE_UNPAIRED value.

CVE-2014-3181: Multiple stack-based buffer overflows in the magicmouse_raw_event function in drivers/hid/hid-magicmouse.c in the Magic Mouse HID driver in the Linux kernel allowed physically proximate attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted device that provides a large amount of (1) EHCI or (2) XHCI data associated with an event.

CVE-2014-7826: kernel/trace/trace_syscalls.c in the Linux kernel did not properly handle private syscall numbers during use of the ftrace subsystem, which allowed local users to gain privileges or cause a denial of service (invalid pointer dereference) via a crafted application.

CVE-2013-7263: The Linux kernel updated certain length values before ensuring that associated data structures have been initialized, which allowed local users to obtain sensitive information from kernel stack memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call, related to net/ipv4/ping.c, net/ipv4/raw.c, net/ipv4/udp.c, net/ipv6/raw.c, and net/ipv6/udp.c. This update fixes the leak of the port number when using ipv6 sockets. (bsc#853040).

CVE-2013-2898: Fixed potential kernel caller confusion via past-end-of-heap-allocation read in sensor-hub HID driver.

CVE-2013-2891: Fixed 16 byte past-end-of-heap-alloc zeroing in steelseries HID driver.

VE-2014-6410: The __udf_read_inode function in fs/udf/inode.c in the Linux kernel did not restrict the amount of ICB indirection, which allowed physically proximate attackers to cause a denial of service (infinite loop or stack consumption) via a UDF filesystem with a crafted inode.

CVE-2014-5471: Stack consumption vulnerability in the parse_rock_ridge_inode_internal function in fs/isofs/rock.c in the Linux kernel allowed local users to cause a denial of service (uncontrolled recursion, and system crash or reboot) via a crafted iso9660 image with a CL entry referring to a directory entry that has a CL entry.

CVE-2014-5472: The parse_rock_ridge_inode_internal function in fs/isofs/rock.c in the Linux kernel allowed local users to cause a denial of service (unkillable mount process) via a crafted iso9660 image with a self-referential CL entry.

CVE-2014-0206: Array index error in the aio_read_events_ring function in fs/aio.c in the Linux kernel allowed local users to obtain sensitive information from kernel memory via a large head value.

CVE-2014-4508: arch/x86/kernel/entry_32.S in the Linux kernel on 32-bit x86 platforms, when syscall auditing is enabled and the sep CPU feature flag is set, allowed local users to cause a denial of service (OOPS and system crash) via an invalid syscall number, as demonstrated by number 1000.

CVE-2014-5206: The do_remount function in fs/namespace.c in the Linux kernel did not maintain the MNT_LOCK_READONLY bit across a remount of a bind mount, which allowed local users to bypass an intended read-only restriction and defeat certain sandbox protection mechanisms via a 'mount -o remount' command within a user namespace.

CVE-2014-5207: fs/namespace.c in the Linux kernel did not properly restrict clearing MNT_NODEV, MNT_NOSUID, and MNT_NOEXEC and changing MNT_ATIME_MASK during a remount of a bind mount, which allowed local users to gain privileges, interfere with backups and auditing on systems that had atime enabled, or cause a denial of service (excessive filesystem updating) on systems that had atime disabled via a 'mount -o remount' command within a user namespace.

CVE-2014-1739: The media_device_enum_entities function in drivers/media/media-device.c in the Linux kernel did not initialize a certain data structure, which allowed local users to obtain sensitive information from kernel memory by leveraging /dev/media0 read access for a MEDIA_IOC_ENUM_ENTITIES ioctl call.

CVE-2014-4943: The PPPoL2TP feature in net/l2tp/l2tp_ppp.c in the Linux kernel allowed local users to gain privileges by leveraging data-structure differences between an l2tp socket and an inet socket.

CVE-2014-4508: arch/x86/kernel/entry_32.S in the Linux kernel on 32-bit x86 platforms, when syscall auditing is enabled and the sep CPU feature flag is set, allowed local users to cause a denial of service (OOPS and system crash) via an invalid syscall number, as demonstrated by number 1000.

CVE-2014-5077: The sctp_assoc_update function in net/sctp/associola.c in the Linux kernel, when SCTP authentication is enabled, allowed remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by starting to establish an association between two endpoints immediately after an exchange of INIT and INIT ACK chunks to establish an earlier association between these endpoints in the opposite direction.

CVE-2014-4171: mm/shmem.c in the Linux kernel did not properly implement the interaction between range notification and hole punching, which allowed local users to cause a denial of service (i_mutex hold) by using the mmap system call to access a hole, as demonstrated by interfering with intended shmem activity by blocking completion of (1) an MADV_REMOVE madvise call or (2) an FALLOC_FL_PUNCH_HOLE fallocate call.

Also the following bugs were fixed :

  - KEYS: Fix stale key registration at error path     (bnc#908163).

  - parport: parport_pc, do not remove parent devices early     (bnc#856659).

  - xfs: fix directory hash ordering bug.

  - xfs: mark all internal workqueues as freezable     (bnc#899785).

  - [media] uvc: Fix destruction order in uvc_delete()     (bnc#897736).

  - cfq-iosched: Fix wrong children_weight calculation     (bnc#893429).

  - target/rd: Refactor rd_build_device_space +     rd_release_device_space (bnc#882639).

  - Btrfs: Fix memory corruption by ulist_add_merge() on     32bit arch (bnc#887046).

  - usb: pci-quirks: Prevent Sony VAIO t-series from     switching usb ports (bnc#864375).

  - xhci: Switch only Intel Lynx Point-LP ports to EHCI on     shutdown (bnc#864375).

  - xhci: Switch Intel Lynx Point ports to EHCI on shutdown     (bnc#864375).

  - ALSA: hda - Fix broken PM due to incomplete i915     initialization (bnc#890114).

  - netbk: Don't destroy the netdev until the vif is shut     down (bnc#881008).

  - swiotlb: don't assume PA 0 is invalid (bnc#865882).

  - PM / sleep: Fix request_firmware() error at resume     (bnc#873790).

  - usbcore: don't log on consecutive debounce failures of     the same port (bnc#818966).

arch/x86/kernel/entry_32.S in the Linux kernel through 3.15.1 on 32-bit x86 platforms, when syscall auditing is enabled and the sep CPU feature flag is set, allows local users to cause a denial of service (OOPS and system crash) via an invalid syscall number, as demonstrated by number 1000.

Array index error in the aio_read_events_ring function in fs/aio.c in the Linux kernel through 3.15.1 allows local users to obtain sensitive information from kernel memory via a large head value.

The capabilities implementation in the Linux kernel before 3.14.8 does not properly consider that namespaces are inapplicable to inodes, which allows local users to bypass intended chmod restrictions by first creating a user namespace, as demonstrated by setting the setgid bit on a file with group ownership of root.

** DISPUTED ** Multiple integer overflows in the lzo1x_decompress_safe function in lib/lzo/lzo1x_decompress_safe.c in the LZO decompressor in the Linux kernel before 3.15.2 allow context-dependent attackers to cause a denial of service (memory corruption) via a crafted Literal Run. NOTE: the author of the LZO algorithms says 'the Linux kernel is
*not* affected; media hype.'

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2337-1 advisory.

    A flaw was discovered in the Linux kernel virtual machine's (kvm) validation of interrupt requests (irq).
    A guest OS user could exploit this flaw to cause a denial of service (host OS crash). (CVE-2014-0155)

    Andy Lutomirski discovered a flaw in the authorization of netlink socket operations when a socket is     passed to a process of more privilege. A local user could exploit this flaw to bypass access restrictions     by having a privileged executable do something it was not intended to do. (CVE-2014-0181)

    An information leak was discovered in the Linux kernels aio_read_events_ring function. A local user could     exploit this flaw to obtain potentially sensitive information from kernel memory. (CVE-2014-0206)

    A flaw was discovered in the Linux kernel's implementation of user namespaces with respect to inode     permissions. A local user could exploit this flaw by creating a user namespace to gain administrative     privileges. (CVE-2014-4014)

    An information leak was discovered in the rd_mcp backend of the iSCSI target subsystem in the Linux     kernel. A local user could exploit this flaw to obtain sensitive information from ramdisk_mcp memory by     leveraging access to a SCSI initiator. (CVE-2014-4027)

    Sasha Levin reported an issue with the Linux kernel's shared memory subsystem when used with range     notifications and hole punching. A local user could exploit this flaw to cause a denial of service.
    (CVE-2014-4171)

    Toralf Frster reported an error in the Linux kernels syscall auditing on 32 bit x86 platforms. A local     user could exploit this flaw to cause a denial of service (OOPS and system crash). (CVE-2014-4508)

    An information leak was discovered in the control implemenation of the Advanced Linux Sound Architecture     (ALSA) subsystem in the Linux kernel. A local user could exploit this flaw to obtain sensitive information     from kernel memory. (CVE-2014-4652)

    A use-after-free flaw was discovered in the Advanced Linux Sound Architecture (ALSA) control     implementation of the Linux kernel. A local user could exploit this flaw to cause a denial of service     (system crash). (CVE-2014-4653)

    A authorization bug was discovered with the snd_ctl_elem_add function of the Advanced Linux Sound     Architecture (ALSA) in the Linux kernel. A local user could exploit his bug to cause a denial of service     (remove kernel controls). (CVE-2014-4654)

    A flaw discovered in how the snd_ctl_elem function of the Advanced Linux Sound Architecture (ALSA) handled     a reference count. A local user could exploit this flaw to cause a denial of service (integer overflow and     limit bypass). (CVE-2014-4655)

    An integer overflow flaw was discovered in the control implementation of the Advanced Linux Sound     Architecture (ALSA). A local user could exploit this flaw to cause a denial of service (system crash).
    (CVE-2014-4656)

    An integer underflow flaw was discovered in the Linux kernel's handling of the backlog value for certain     SCTP packets. A remote attacker could exploit this flaw to cause a denial of service (socket outage) via a     crafted SCTP packet. (CVE-2014-4667)

    Vasily Averin discover a reference count flaw during attempts to umount in conjunction with a symlink. A     local user could exploit this flaw to cause a denial of service (memory consumption or use after free) or     possibly have other unspecified impact. (CVE-2014-5045)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

A flaw was discovered in the Linux kernel virtual machine's (kvm) validation of interrupt requests (irq). A guest OS user could exploit this flaw to cause a denial of service (host OS crash).
(CVE-2014-0155)

Andy Lutomirski discovered a flaw in the authorization of netlink socket operations when a socket is passed to a process of more privilege. A local user could exploit this flaw to bypass access restrictions by having a privileged executable do something it was not intended to do. (CVE-2014-0181)

An information leak was discovered in the Linux kernels aio_read_events_ring function. A local user could exploit this flaw to obtain potentially sensitive information from kernel memory.
(CVE-2014-0206)

A flaw was discovered in the Linux kernel's implementation of user namespaces with respect to inode permissions. A local user could exploit this flaw by creating a user namespace to gain administrative privileges. (CVE-2014-4014)

An information leak was discovered in the rd_mcp backend of the iSCSI target subsystem in the Linux kernel. A local user could exploit this flaw to obtain sensitive information from ramdisk_mcp memory by leveraging access to a SCSI initiator. (CVE-2014-4027)

Sasha Levin reported an issue with the Linux kernel's shared memory subsystem when used with range notifications and hole punching. A local user could exploit this flaw to cause a denial of service.
(CVE-2014-4171)

Toralf Forster reported an error in the Linux kernels syscall auditing on 32 bit x86 platforms. A local user could exploit this flaw to cause a denial of service (OOPS and system crash). (CVE-2014-4508)

An information leak was discovered in the control implemenation of the Advanced Linux Sound Architecture (ALSA) subsystem in the Linux kernel. A local user could exploit this flaw to obtain sensitive information from kernel memory. (CVE-2014-4652)

A use-after-free flaw was discovered in the Advanced Linux Sound Architecture (ALSA) control implementation of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash). (CVE-2014-4653)

A authorization bug was discovered with the snd_ctl_elem_add function of the Advanced Linux Sound Architecture (ALSA) in the Linux kernel. A local user could exploit his bug to cause a denial of service (remove kernel controls). (CVE-2014-4654)

A flaw discovered in how the snd_ctl_elem function of the Advanced Linux Sound Architecture (ALSA) handled a reference count. A local user could exploit this flaw to cause a denial of service (integer overflow and limit bypass). (CVE-2014-4655)

An integer overflow flaw was discovered in the control implementation of the Advanced Linux Sound Architecture (ALSA). A local user could exploit this flaw to cause a denial of service (system crash).
(CVE-2014-4656)

An integer underflow flaw was discovered in the Linux kernel's handling of the backlog value for certain SCTP packets. A remote attacker could exploit this flaw to cause a denial of service (socket outage) via a crafted SCTP packet. (CVE-2014-4667)

Vasily Averin discover a reference count flaw during attempts to umount in conjunction with a symlink. A local user could exploit this flaw to cause a denial of service (memory consumption or use after free) or possibly have other unspecified impact. (CVE-2014-5045).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Updated kernel packages that fix multiple security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 7.

The Red Hat Security Response Team has rated this update as having Important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

* A flaw was found in the way the Linux kernel's futex subsystem handled the requeuing of certain Priority Inheritance (PI) futexes. A local, unprivileged user could use this flaw to escalate their privileges on the system. (CVE-2014-3153, Important)

* A use-after-free flaw was found in the way the ping_init_sock() function of the Linux kernel handled the group_info reference counter.
A local, unprivileged user could use this flaw to crash the system or, potentially, escalate their privileges on the system. (CVE-2014-2851, Important)

* Use-after-free and information leak flaws were found in the way the Linux kernel's floppy driver processed the FDRAWCMD IOCTL command. A local user with write access to /dev/fdX could use these flaws to escalate their privileges on the system. (CVE-2014-1737, CVE-2014-1738, Important)

* It was found that the aio_read_events_ring() function of the Linux kernel's Asynchronous I/O (AIO) subsystem did not properly sanitize the AIO ring head received from user space. A local, unprivileged user could use this flaw to disclose random parts of the (physical) memory belonging to the kernel and/or other processes. (CVE-2014-0206, Moderate)

* An out-of-bounds memory access flaw was found in the Netlink Attribute extension of the Berkeley Packet Filter (BPF) interpreter functionality in the Linux kernel's networking implementation. A local, unprivileged user could use this flaw to crash the system or leak kernel memory to user space via a specially crafted socket filter. (CVE-2014-3144, CVE-2014-3145, Moderate)

* An information leak flaw was found in the way the skb_zerocopy() function copied socket buffers (skb) that are backed by user-space buffers (for example vhost-net and Xen netback), potentially allowing an attacker to read data from those buffers. (CVE-2014-2568, Low)

Red Hat would like to thank Kees Cook of Google for reporting CVE-2014-3153 and Matthew Daley for reporting CVE-2014-1737 and CVE-2014-1738. Google acknowledges Pinkie Pie as the original reporter of CVE-2014-3153. The CVE-2014-0206 issue was discovered by Mateusz Guzik of Red Hat.

This update also fixes the following bugs :

* Due to incorrect calculation of Tx statistics in the qlcninc driver, running the 'ethtool -S ethX' command could trigger memory corruption.
As a consequence, running the sosreport tool, that uses this command, resulted in a kernel panic. The problem has been fixed by correcting the said statistics calculation. (BZ#1104972)

* When an attempt to create a file on the GFS2 file system failed due to a file system quota violation, the relevant VFS inode was not completely uninitialized. This could result in a list corruption error. This update resolves this problem by correctly uninitializing the VFS inode in this situation. (BZ#1097407)

* Due to a race condition in the kernel, the getcwd() system call could return '/' instead of the correct full path name when querying a path name of a file or directory. Paths returned in the '/proc' file system could also be incorrect. This problem was causing instability of various applications. The aforementioned race condition has been fixed and getcwd() now always returns the correct paths. (BZ#1099048)

In addition, this update adds the following enhancements :

* The kernel mutex code has been improved. The changes include improved queuing of the MCS spin locks, the MCS code optimization, introduction of the cancellable MCS spin locks, and improved handling of mutexes without wait locks. (BZ#1103631, BZ#1103629)

* The handling of the Virtual Memory Area (VMA) cache and huge page faults has been improved. (BZ#1103630)

All kernel users are advised to upgrade to these updated packages, which contain backported patches to correct these issues and add these enhancements. The system must be rebooted for this update to take effect.

Update to latest upstream stable release, Linux v3.14.13. Fixes across the tree.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2014-0786 advisory.

    - [fs] aio: fix plug memory disclosure and fix reqs_active accounting backport (Jeff Moyer) [1094604     1094605] {CVE-2014-0206}
    - [fs] aio: plug memory disclosure and fix reqs_active accounting (Mateusz Guzik) [1094604 1094605]     {CVE-2014-0206}
    - [kernel] futex: Make lookup_pi_state more robust (Larry Woodman) [1104519 1104520] {CVE-2014-3153}
    - [kernel] futex: Always cleanup owner tid in unlock_pi (Larry Woodman) [1104519 1104520] {CVE-2014-3153}
    - [kernel] futex: Validate atomic acquisition in futex_lock_pi_atomic() (Larry Woodman) [1104519 1104520]     {CVE-2014-3153}
    - [kernel] futex: prevent requeue pi on same futex (Larry Woodman) [1104519 1104520] {CVE-2014-3153}
    - [net] filter: prevent nla extensions to peek beyond the end of the message (Jiri Benc) [1096780 1096781]     {CVE-2014-3144 CVE-2014-3145}
    - [block] floppy: don't write kernel-only members to FDRAWCMD ioctl output (Denys Vlasenko) [1094316     1094318] {CVE-2014-1737 CVE-2014-1738}
    - [block] floppy: ignore kernel-only members in FDRAWCMD ioctl input (Denys Vlasenko) [1094316 1094318]     {CVE-2014-1737 CVE-2014-1738}
    - [net] core, nfqueue, openvswitch: Orphan frags in skb_zerocopy and handle errors (Jiri Pirko) [1091345     1079014] {CVE-2014-2568}
    - [net] ipv4: current group_info should be put after using (Jiri Benc) [1087415 1087416] {CVE-2014-2851}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Updated kernel-rt packages that fix multiple security issues are now available for Red Hat Enterprise MRG 2.5.

The Red Hat Security Response Team has rated this update as having Important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

The kernel-rt packages contain the Linux kernel, the core of any Linux operating system.

  * A flaw was found in the way the Linux kernel's futex     subsystem handled the requeuing of certain Priority     Inheritance (PI) futexes. A local, unprivileged user     could use this flaw to escalate their privileges on the     system. (CVE-2014-3153, Important)

  * It was found that the Linux kernel's ptrace subsystem     allowed a traced process' instruction pointer to be set     to a non-canonical memory address without forcing the     non-sysret code path when returning to user space. A     local, unprivileged user could use this flaw to crash     the system or, potentially, escalate their privileges     on the system. Note that this issue only affected     systems using an Intel CPU. (CVE-2014-4699, Important)

  * It was found that the permission checks performed by the     Linux kernel when a netlink message was received were     not sufficient. A local, unprivileged user could     potentially bypass these restrictions by passing a     netlink socket as stdout or stderr to a more privileged     process and altering the output of this process.
    (CVE-2014-0181, Moderate)

  * It was found that the aio_read_events_ring() function     of the Linux kernel's Asynchronous I/O (AIO) subsystem     did not properly sanitize the AIO ring head received     from user space. A local, unprivileged user could use     this flaw to disclose random parts of the (physical)     memory belonging to the kernel and/or other processes.
    (CVE-2014-0206, Moderate)

  * An out-of-bounds memory access flaw was found in the     Netlink Attribute extension of the Berkeley Packet     Filter (BPF) interpreter functionality in the Linux     kernel's networking implementation. A local,     unprivileged user could use this flaw to crash the     system or leak kernel memory to user space via a     specially crafted socket filter. (CVE-2014-3144,     CVE-2014-3145, Moderate)

  * An out-of-bounds memory access flaw was found in the     Linux kernel's system call auditing implementation. On     a system with existing audit rules defined, a local,     unprivileged user could use this flaw to leak kernel     memory to user space or, potentially, crash the system.
    (CVE-2014-3917, Moderate)

  * A flaw was found in the way Linux kernel's Transparent     Huge Pages (THP) implementation handled non-huge page     migration. A local, unprivileged user could use this     flaw to crash the kernel by migrating transparent     hugepages. (CVE-2014-3940, Moderate)

  * An integer underflow flaw was found in the way the Linux     kernel's Stream Control Transmission Protocol (SCTP)     implementation processed certain COOKIE_ECHO packets.
    By sending a specially crafted SCTP packet, a remote     attacker could use this flaw to prevent legitimate     connections to a particular SCTP server socket to be     made. (CVE-2014-4667, Moderate)

  * An information leak flaw was found in the RAM Disks     Memory Copy (rd_mcp) back-end driver of the iSCSI Target     subsystem of the Linux kernel. A privileged user could     use this flaw to leak the contents of kernel memory to     an iSCSI initiator remote client. (CVE-2014-4027, Low)

Users are advised to upgrade to these updated packages, which upgrade the kernel-rt kernel to version kernel-rt-3.10.33-rt32.43 and correct these issues. The system must be rebooted for this update to take effect.

The 3.14.9 stable update contains a number of important fixes across the tree.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
125101	EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1513)	Nessus	Huawei Local Security Checks	critical
124803	EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1479)	Nessus	Huawei Local Security Checks	medium
81800	Oracle Linux 7 : kernel (ELSA-2015-0290)	Nessus	Oracle Linux Local Security Checks	high
80152	openSUSE Security Update : the Linux Kernel (openSUSE-SU-2014:1677-1)	Nessus	SuSE Local Security Checks	high
78311	Amazon Linux AMI : kernel (ALAS-2014-368)	Nessus	Amazon Linux Local Security Checks	high
77492	Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-2337-1)	Nessus	Ubuntu Local Security Checks	medium
77491	Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2336-1)	Nessus	Ubuntu Local Security Checks	medium
76901	RHEL 7 : kernel (RHSA-2014:0786)	Nessus	Red Hat Local Security Checks	high
76851	Fedora 19 : kernel-3.14.13-100.fc19 (2014-8487)	Nessus	Fedora Local Security Checks	medium
76738	Oracle Linux 7 : kernel (ELSA-2014-0786)	Nessus	Oracle Linux Local Security Checks	high
76696	RHEL 6 : kernel-rt (RHSA-2014:0913)	Nessus	Red Hat Local Security Checks	high
76329	Fedora 20 : kernel-3.14.9-200.fc20 (2014-7863)	Nessus	Fedora Local Security Checks	medium

Detections

Analytics

CVE-2014-0206

medium

Tenable Plugins

critical

medium

high

high

high

medium

medium

high

medium

high

high

medium