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openSUSE Security Update : the Linux Kernel (openSUSE-2016-1431)

critical Nessus Plugin ID 95705

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Synopsis

The remote openSUSE host is missing a security update.

Description

The openSUSE 13.2 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed :

 - CVE-2015-8962: Double free vulnerability in the sg_common_write function in drivers/scsi/sg.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (memory corruption and system crash) by detaching a device during an SG_IO ioctl call (bnc#1010501).

 - CVE-2015-8963: Race condition in kernel/events/core.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (use-after-free) by leveraging incorrect handling of an swevent data structure during a CPU unplug operation (bnc#1010502).

 - CVE-2016-7042: The proc_keys_show function in security/keys/proc.c in the Linux kernel through 4.8.2, when the GNU Compiler Collection (gcc) stack protector is enabled, uses an incorrect buffer size for certain timeout data, which allowed local users to cause a denial of service (stack memory corruption and panic) by reading the /proc/keys file (bnc#1004517).

 - CVE-2016-7910: Use-after-free vulnerability in the disk_seqf_stop function in block/genhd.c in the Linux kernel allowed local users to gain privileges by leveraging the execution of a certain stop operation even if the corresponding start operation had failed (bnc#1010716).

 - CVE-2016-7911: Race condition in the get_task_ioprio function in block/ioprio.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (use-after-free) via a crafted ioprio_get system call (bnc#1010711).

 - CVE-2016-7913: The xc2028_set_config function in drivers/media/tuners/tuner-xc2028.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (use-after-free) via vectors involving omission of the firmware name from a certain data structure (bnc#1010478).

 - CVE-2016-7914: The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel did not check whether a slot is a leaf, which allowed local users to obtain sensitive information from kernel memory or cause a denial of service (invalid pointer dereference and out-of-bounds read) via an application that uses associative-array data structures, as demonstrated by the keyutils test suite (bnc#1010475).

 - CVE-2016-7916: Race condition in the environ_read function in fs/proc/base.c in the Linux kernel allowed local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete (bnc#1010467).

 - CVE-2016-8633: drivers/firewire/net.c in the Linux kernel before 4.8.7, in certain unusual hardware configurations, allowed remote attackers to execute arbitrary code via crafted fragmented packets (bnc#1008833).

 - CVE-2016-8646: The hash_accept function in crypto/algif_hash.c in the Linux kernel allowed local users to cause a denial of service (OOPS) by attempting to trigger use of in-kernel hash algorithms for a socket that has received zero bytes of data (bnc#1010150).

 - CVE-2016-8655: A race condition in the af_packet packet_set_ring function could be used by local attackers to crash the kernel or gain privileges (bsc#1012754).

 - CVE-2016-9555: The sctp_sf_ootb function in net/sctp/sm_statefuns.c in the Linux kernel lacks chunk-length checking for the first chunk, which allowed remote attackers to cause a denial of service (out-of-bounds slab access) or possibly have unspecified other impact via crafted SCTP data (bnc#1011685).

The following non-security bugs were fixed :

 - bna: Add synchronization for tx ring (bsc#993739).

 - bonding: set carrier off for devices created through netlink (bsc#999577).

 - btrfs: fix extent tree corruption due to relocation (bsc#990384).

 - introduce NETIF_F_GSO_ENCAP_ALL helper mask (bsc#1001486).

 - ipv6: send NEWLINK on RA managed/otherconf changes (bsc#934067).

 - ipv6: send only one NEWLINK when RA causes changes (bsc#934067).

 - tunnels: Remove encapsulation offloads on decap (bsc#1001486).

 - usbhid: add ATEN CS962 to list of quirky devices (bsc#1007615).

 - vmxnet3: Wake queue from reset work (bsc#999907).

Solution

Update the affected the Linux Kernel packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1001486

https://bugzilla.opensuse.org/show_bug.cgi?id=1004517

https://bugzilla.opensuse.org/show_bug.cgi?id=1007615

https://bugzilla.opensuse.org/show_bug.cgi?id=1008833

https://bugzilla.opensuse.org/show_bug.cgi?id=1010040

https://bugzilla.opensuse.org/show_bug.cgi?id=1010150

https://bugzilla.opensuse.org/show_bug.cgi?id=1010467

https://bugzilla.opensuse.org/show_bug.cgi?id=1010475

https://bugzilla.opensuse.org/show_bug.cgi?id=1010478

https://bugzilla.opensuse.org/show_bug.cgi?id=1010501

https://bugzilla.opensuse.org/show_bug.cgi?id=1010502

https://bugzilla.opensuse.org/show_bug.cgi?id=1010711

https://bugzilla.opensuse.org/show_bug.cgi?id=1010716

https://bugzilla.opensuse.org/show_bug.cgi?id=1011685

https://bugzilla.opensuse.org/show_bug.cgi?id=1012754

https://bugzilla.opensuse.org/show_bug.cgi?id=934067

https://bugzilla.opensuse.org/show_bug.cgi?id=990384

https://bugzilla.opensuse.org/show_bug.cgi?id=993739

https://bugzilla.opensuse.org/show_bug.cgi?id=999577

https://bugzilla.opensuse.org/show_bug.cgi?id=999907

Plugin Details

Severity: Critical

ID: 95705

File Name: openSUSE-2016-1431.nasl

Version: 3.7

Type: local

Agent: unix

Published: 12/12/2016

Updated: 1/19/2021

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.6

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:pcfclock-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:vhba-kmp-desktop, p-cpe:/a:novell:opensuse:ipset-kmp-xen, p-cpe:/a:novell:opensuse:virtualbox-host-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-qt-debuginfo, p-cpe:/a:novell:opensuse:kernel-pae, p-cpe:/a:novell:opensuse:kernel-vanilla-debugsource, p-cpe:/a:novell:opensuse:vhba-kmp-debugsource, p-cpe:/a:novell:opensuse:xen-tools-domu, p-cpe:/a:novell:opensuse:kernel-pae-base-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-host-kmp-pae, p-cpe:/a:novell:opensuse:xtables-addons-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:kernel-xen-base, p-cpe:/a:novell:opensuse:virtualbox-devel, p-cpe:/a:novell:opensuse:ipset-kmp-pae, p-cpe:/a:novell:opensuse:pcfclock-kmp-desktop, p-cpe:/a:novell:opensuse:crash-gcore, p-cpe:/a:novell:opensuse:kernel-debug-debugsource, p-cpe:/a:novell:opensuse:cloop-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:kernel-ec2-base, p-cpe:/a:novell:opensuse:cloop-kmp-pae, p-cpe:/a:novell:opensuse:ipset-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:xen-libs-debuginfo, p-cpe:/a:novell:opensuse:ipset-devel, p-cpe:/a:novell:opensuse:hdjmod-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:crash-kmp-desktop, p-cpe:/a:novell:opensuse:xen-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:cloop-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:crash-gcore-debuginfo, p-cpe:/a:novell:opensuse:bbswitch-debugsource, p-cpe:/a:novell:opensuse:xtables-addons-kmp-default, p-cpe:/a:novell:opensuse:cloop-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-guest-x11-debuginfo, p-cpe:/a:novell:opensuse:ipset-kmp-default, p-cpe:/a:novell:opensuse:ipset-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:hdjmod-kmp-pae, p-cpe:/a:novell:opensuse:bbswitch-kmp-xen, p-cpe:/a:novell:opensuse:bbswitch-kmp-desktop, p-cpe:/a:novell:opensuse:kernel-xen-devel, p-cpe:/a:novell:opensuse:cloop-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:kernel-ec2-debuginfo, p-cpe:/a:novell:opensuse:kernel-pae-debuginfo, p-cpe:/a:novell:opensuse:vhba-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:kernel-source, p-cpe:/a:novell:opensuse:crash-debugsource, p-cpe:/a:novell:opensuse:kernel-ec2-devel, p-cpe:/a:novell:opensuse:python-virtualbox-debuginfo, p-cpe:/a:novell:opensuse:xtables-addons-kmp-pae, p-cpe:/a:novell:opensuse:pcfclock, p-cpe:/a:novell:opensuse:xen-kmp-desktop, p-cpe:/a:novell:opensuse:crash-debuginfo, p-cpe:/a:novell:opensuse:xen-debugsource, p-cpe:/a:novell:opensuse:xen-libs-32bit, p-cpe:/a:novell:opensuse:bbswitch-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:cloop-debugsource, p-cpe:/a:novell:opensuse:xtables-addons-kmp-desktop, p-cpe:/a:novell:opensuse:virtualbox-guest-kmp-default, p-cpe:/a:novell:opensuse:kernel-xen-debugsource, p-cpe:/a:novell:opensuse:kernel-default-base, p-cpe:/a:novell:opensuse:pcfclock-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:xen-tools, p-cpe:/a:novell:opensuse:kernel-macros, p-cpe:/a:novell:opensuse:xen-tools-debuginfo, p-cpe:/a:novell:opensuse:crash-devel, p-cpe:/a:novell:opensuse:bbswitch-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:kernel-pae-devel, p-cpe:/a:novell:opensuse:kernel-vanilla-devel, p-cpe:/a:novell:opensuse:crash-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:libipset3, p-cpe:/a:novell:opensuse:cloop-kmp-xen, p-cpe:/a:novell:opensuse:xen-libs, p-cpe:/a:novell:opensuse:kernel-desktop, p-cpe:/a:novell:opensuse:xtables-addons-kmp-xen, p-cpe:/a:novell:opensuse:kernel-ec2-base-debuginfo, p-cpe:/a:novell:opensuse:ipset-debugsource, p-cpe:/a:novell:opensuse:kernel-default-debuginfo, p-cpe:/a:novell:opensuse:kernel-obs-qa, p-cpe:/a:novell:opensuse:virtualbox-host-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:vhba-kmp-default, p-cpe:/a:novell:opensuse:ipset-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-guest-desktop-icons, p-cpe:/a:novell:opensuse:kernel-pae-debugsource, p-cpe:/a:novell:opensuse:virtualbox-guest-kmp-pae, p-cpe:/a:novell:opensuse:python-virtualbox, p-cpe:/a:novell:opensuse:crash-kmp-xen, p-cpe:/a:novell:opensuse:kernel-debug, p-cpe:/a:novell:opensuse:hdjmod-kmp-xen, p-cpe:/a:novell:opensuse:pcfclock-debuginfo, p-cpe:/a:novell:opensuse:crash-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:hdjmod-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-debugsource, p-cpe:/a:novell:opensuse:kernel-default, p-cpe:/a:novell:opensuse:virtualbox-guest-tools-debuginfo, p-cpe:/a:novell:opensuse:bbswitch-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:pcfclock-kmp-default, p-cpe:/a:novell:opensuse:hdjmod-kmp-default, p-cpe:/a:novell:opensuse:virtualbox-debuginfo, p-cpe:/a:novell:opensuse:kernel-debug-base, p-cpe:/a:novell:opensuse:libipset3-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-guest-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:ipset-kmp-desktop, p-cpe:/a:novell:opensuse:virtualbox-host-kmp-desktop, p-cpe:/a:novell:opensuse:kernel-syms, p-cpe:/a:novell:opensuse:virtualbox-websrv, p-cpe:/a:novell:opensuse:xen, p-cpe:/a:novell:opensuse:vhba-kmp-xen, p-cpe:/a:novell:opensuse:xtables-addons-debuginfo, p-cpe:/a:novell:opensuse:kernel-debug-base-debuginfo, p-cpe:/a:novell:opensuse:xen-doc-html, p-cpe:/a:novell:opensuse:virtualbox-host-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:xtables-addons-debugsource, p-cpe:/a:novell:opensuse:virtualbox-guest-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:kernel-default-devel, p-cpe:/a:novell:opensuse:virtualbox-websrv-debuginfo, p-cpe:/a:novell:opensuse:crash-eppic, p-cpe:/a:novell:opensuse:xtables-addons-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:kernel-debug-debuginfo, p-cpe:/a:novell:opensuse:kernel-desktop-devel, p-cpe:/a:novell:opensuse:cloop-kmp-default, p-cpe:/a:novell:opensuse:xen-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:kernel-desktop-debuginfo, p-cpe:/a:novell:opensuse:hdjmod-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:xen-tools-domu-debuginfo, p-cpe:/a:novell:opensuse:kernel-ec2-debugsource, p-cpe:/a:novell:opensuse:kernel-default-debugsource, p-cpe:/a:novell:opensuse:ipset-debuginfo, p-cpe:/a:novell:opensuse:pcfclock-kmp-pae, p-cpe:/a:novell:opensuse:bbswitch-kmp-default, p-cpe:/a:novell:opensuse:kernel-desktop-base, p-cpe:/a:novell:opensuse:kernel-devel, p-cpe:/a:novell:opensuse:vhba-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:hdjmod-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-guest-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:hdjmod-debugsource, p-cpe:/a:novell:opensuse:xtables-addons-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:virtualbox, p-cpe:/a:novell:opensuse:kernel-obs-build, p-cpe:/a:novell:opensuse:cloop-debuginfo, p-cpe:/a:novell:opensuse:crash, p-cpe:/a:novell:opensuse:kernel-source-vanilla, cpe:/o:novell:opensuse:13.2, p-cpe:/a:novell:opensuse:kernel-default-base-debuginfo, p-cpe:/a:novell:opensuse:vhba-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:crash-kmp-pae, p-cpe:/a:novell:opensuse:xtables-addons-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-qt, p-cpe:/a:novell:opensuse:bbswitch-kmp-pae, p-cpe:/a:novell:opensuse:ipset, p-cpe:/a:novell:opensuse:xen-kmp-default, p-cpe:/a:novell:opensuse:pcfclock-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:ipset-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:xtables-addons, p-cpe:/a:novell:opensuse:cloop-kmp-desktop, p-cpe:/a:novell:opensuse:kernel-xen, p-cpe:/a:novell:opensuse:kernel-xen-base-debuginfo, p-cpe:/a:novell:opensuse:xen-libs-debuginfo-32bit, p-cpe:/a:novell:opensuse:kernel-desktop-base-debuginfo, p-cpe:/a:novell:opensuse:kernel-pae-base, p-cpe:/a:novell:opensuse:kernel-vanilla, p-cpe:/a:novell:opensuse:kernel-desktop-debugsource, p-cpe:/a:novell:opensuse:kernel-obs-build-debugsource, p-cpe:/a:novell:opensuse:bbswitch, p-cpe:/a:novell:opensuse:pcfclock-debugsource, p-cpe:/a:novell:opensuse:virtualbox-host-kmp-default, p-cpe:/a:novell:opensuse:cloop, p-cpe:/a:novell:opensuse:hdjmod-kmp-desktop, p-cpe:/a:novell:opensuse:vhba-kmp-pae, p-cpe:/a:novell:opensuse:kernel-vanilla-debuginfo, p-cpe:/a:novell:opensuse:xen-devel, p-cpe:/a:novell:opensuse:kernel-debug-devel-debuginfo, p-cpe:/a:novell:opensuse:kernel-xen-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-guest-kmp-desktop, p-cpe:/a:novell:opensuse:virtualbox-host-source, p-cpe:/a:novell:opensuse:kernel-debug-devel, p-cpe:/a:novell:opensuse:crash-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:crash-eppic-debuginfo, p-cpe:/a:novell:opensuse:crash-kmp-default, p-cpe:/a:novell:opensuse:kernel-ec2, p-cpe:/a:novell:opensuse:bbswitch-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:crash-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-guest-tools, p-cpe:/a:novell:opensuse:virtualbox-guest-x11, p-cpe:/a:novell:opensuse:vhba-kmp-xen-debuginfo

Required KB Items: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/8/2016

Exploitable With

Core Impact

Metasploit (AF_PACKET chocobo_root Privilege Escalation)

Reference Information

CVE: CVE-2015-8962, CVE-2015-8963, CVE-2016-7042, CVE-2016-7910, CVE-2016-7911, CVE-2016-7913, CVE-2016-7914, CVE-2016-7916, CVE-2016-8633, CVE-2016-8646, CVE-2016-8655, CVE-2016-9555