This kernel update fixes the following security problems :

  - CVE-2006-5751: An integer overflow in the networking     bridge ioctl starting with Kernel 2.6.7 could be used by     local attackers to overflow kernel memory buffers and     potentially escalate privileges [#222656]

  - CVE-2006-6106: Multiple buffer overflows in the     cmtp_recv_interopmsg function in the Bluetooth driver     (net/bluetooth/cmtp/capi.c) in the Linux kernel allowed     remote attackers to cause a denial of service (crash)     and possibly execute arbitrary code via CAPI messages     with a large value for the length of the (1) manu     (manufacturer) or (2) serial (serial number) field.
    [#227603]

  - CVE-2006-5749: The isdn_ppp_ccp_reset_alloc_state     function in drivers/isdn/isdn_ppp.c in the Linux kernel     does not call the init_timer function for the ISDN PPP     CCP reset state timer, which has unknown attack vectors     and results in a system crash. [#229619]

  - CVE-2006-5753: Unspecified vulnerability in the     listxattr system call in Linux kernel, when a 'bad     inode' is present, allows local users to cause a denial     of service (data corruption) and possibly gain     privileges. [#230270]

  - CVE-2007-0006: The key serial number collision avoidance     code in the key_alloc_serial function allows local users     to cause a denial of service (crash) via vectors that     trigger a null dereference. [#243003]

  - CVE-2007-0772: A remote denial of service problem on     NFSv2 mounts with ACL enabled was fixed. [#244909]

Furthermore, it catches up to the mainline kernel, version 2.6.18.8, and contains a large number of additional fixes for non security bugs.

Some vulnerabilities were discovered and corrected in the Linux 2.6 kernel :

The isdn_ppp_ccp_reset_alloc_state function in drivers/isdn/isdn_ppp.c in the Linux 2.4 kernel before 2.4.34-rc4, as well as the 2.6 kernel, does not call the init_timer function for the ISDN PPP CCP reset state timer, which has unknown attack vectors and results in a system crash.
(CVE-2006-5749)

The listxattr syscall can corrupt user space under certain circumstances. The problem seems to be related to signed/unsigned conversion during size promotion. (CVE-2006-5753)

The ext3fs_dirhash function in Linux kernel 2.6.x allows local users to cause a denial of service (crash) via an ext3 stream with malformed data structures. (CVE-2006-6053)

The mincore function in the Linux kernel before 2.4.33.6, as well as the 2.6 kernel, does not properly lock access to user space, which has unspecified impact and attack vectors, possibly related to a deadlock.
(CVE-2006-4814)

The provided packages are patched to fix these vulnerabilities. All users are encouraged to upgrade to these updated kernels immediately and reboot to effect the fixes.

In addition to these security fixes, other fixes have been included such as :

  - Add Ralink RT2571W/RT2671 WLAN USB support (rt73 module)
    - Fix sys_msync() to report -ENOMEM as before when an     unmapped area falls within its range, and not to     overshoot (LSB regression) - Avoid disk sector_t     overflow for >2TB ext3 filesystem - USB: workaround to     fix HP scanners detection (#26728) - USB: unusual_devs.h     for Sony floppy (#28378) - Add preliminary ICH9 support
    - Add TI sd card reader support - Add RT61 driver - KVM     update - Fix bttv vbi offset

To update your kernel, please follow the directions located at :

http://www.mandriva.com/en/security/kernelupdate

Some vulnerabilities were discovered and corrected in the Linux 2.6 kernel :

The __block_prepate_write function in the 2.6 kernel before 2.6.13 does not properly clear buffers during certain error conditions, which allows users to read portions of files that have been unlinked (CVE-2006-4813).

The clip_mkip function of the ATM subsystem in the 2.6 kernel allows remote attackers to dause a DoS (panic) via unknown vectors that cause the ATM subsystem to access the memory of socket buffers after they are freed (CVE-2006-4997).

The NFS lockd in the 2.6 kernel before 2.6.16 allows remote attackers to cause a DoS (process crash) and deny access to NFS exports via unspecified vectors that trigger a kernel oops and a deadlock (CVE-2006-5158).

The seqfile handling in the 2.6 kernel up to 2.6.18 allows local users to cause a DoS (hang or oops) via unspecified manipulations that trigger an infinite loop while searching for flowlabels (CVE-2006-5619).

A missing call to init_timer() in the isdn_ppp code of the Linux kernel can allow remote attackers to send a special kind of PPP pakcet which may trigger a kernel oops (CVE-2006-5749).

An integer overflow in the 2.6 kernel prior to 2.6.18.4 could allow a local user to execute arbitrary code via a large maxnum value in an ioctl request (CVE-2006-5751).

A race condition in the ISO9660 filesystem handling could allow a local user to cause a DoS (infinite loop) by mounting a crafted ISO9660 filesystem containing malformed data structures (CVE-2006-5757).

A vulnerability in the bluetooth support could allow for overwriting internal CMTP and CAPI data structures via malformed packets (CVE-2006-6106).

The provided packages are patched to fix these vulnerabilities. All users are encouraged to upgrade to these updated kernels immediately and reboot to effect the fixes.

In addition to these security fixes, other fixes have been included such as :

  - __bread oops fix

  - added e1000_ng (nineveh support)

  - added sata_svw (Broadcom SATA support)

  - added Marvell PATA chipset support

  - disabled mmconf on some broken hardware/BIOSes

  - use GENERICARCH and enable bigsmp apic model for tulsa     machines

To update your kernel, please follow the directions located at :

http://www.mandriva.com/en/security/kernelupdate

Mark Dowd discovered that the netfilter iptables module did not correcly handle fragmented IPv6 packets. By sending specially crafted packets, a remote attacker could exploit this to bypass firewall rules. This has has already been fixed for Ubuntu 6.10 in USN-395-1;
this is the corresponding fix for Ubuntu 6.06.(CVE-2006-4572)

Doug Chapman discovered an improper lock handling in the mincore() function. A local attacker could exploit this to cause an eternal hang in the kernel, rendering the machine unusable. (CVE-2006-4814)

Al Viro reported that the ISDN PPP module did not initialize the reset state timer. By sending specially crafted ISDN packets, a remote attacker could exploit this to crash the kernel. (CVE-2006-5749)

Various syscalls (like listxattr()) misinterpreted the return value of return_EIO() when encountering bad inodes. By issuing particular system calls on a malformed file system, a local attacker could exploit this to crash the kernel. (CVE-2006-5753)

The task switching code did not save and restore EFLAGS of processes.
By starting a specially crafted executable, a local attacker could exploit this to eventually crash many other running processes. This only affects the amd64 platform. (CVE-2006-5755)

A race condition was found in the grow_buffers() function. By mounting a specially crafted ISO9660 or NTFS file system, a local attacker could exploit this to trigger an infinite loop in the kernel, rendering the machine unusable. (CVE-2006-5757)

A buffer overread was found in the zlib_inflate() function. By tricking an user into mounting a specially crafted file system which uses zlib compression (such as cramfs), this could be exploited to crash the kernel. (CVE-2006-5823)

The ext3 file system driver did not properly handle corrupted data structures. By mounting a specially crafted ext3 file system, a local attacker could exploit this to crash the kernel. (CVE-2006-6053)

The ext2 file system driver did not properly handle corrupted data structures. By mounting a specially crafted ext2 file system, a local attacker could exploit this to crash the kernel. (CVE-2006-6054)

The hfs file system driver did not properly handle corrupted data structures. By mounting a specially crafted hfs file system, a local attacker could exploit this to crash the kernel. This only affects systems which enable SELinux (Ubuntu disables SELinux by default).
(CVE-2006-6056)

Several vulnerabilities have been found in the GFS2 file system driver. Since this driver has never actually worked in Ubuntu 6.10, it has been disabled. This only affects Ubuntu 6.10. (CVE-2006-6057)

Marcel Holtman discovered several buffer overflows in the Bluetooth driver. By sending Bluetooth packets with specially crafted CAPI messages, a remote attacker could exploit these to crash the kernel.
(CVE-2006-6106).

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.

This kernel update fixes the following security problems :

  - CVE-2006-2936: The ftdi_sio driver allowed local users     to cause a denial of service (memory consumption) by     writing more data to the serial port than the hardware     can handle, which causes the data to be queued. This     requires this driver to be loaded, which only happens if     such a device is plugged in. [#191836]

  - CVE-2006-4814: A deadlock in mincore that could be     caused by local attackers was fixed. [#207667]

  - CVE-2006-6106: Multiple buffer overflows in the     cmtp_recv_interopmsg function in the Bluetooth driver     (net/bluetooth/cmtp/capi.c) in the Linux kernel allowed     remote attackers to cause a denial of service (crash)     and possibly execute arbitrary code via CAPI messages     with a large value for the length of the (1) manu     (manufacturer) or (2) serial (serial number) field.
    [#227603]

  - CVE-2006-5749: The isdn_ppp_ccp_reset_alloc_state     function in drivers/isdn/isdn_ppp.c in the Linux kernel     does not call the init_timer function for the ISDN PPP     CCP reset state timer, which has unknown attack vectors     and results in a system crash. [#229619]

  - CVE-2006-5753: Unspecified vulnerability in the     listxattr system call in Linux kernel, when a 'bad     inode' is present, allows local users to cause a denial     of service (data corruption) and possibly gain     privileges. [#230270]

  - A remote denial of service problem on NFSv3 mounts with     ACL enabled was fixed. [#244909]

Furthermore, this kernel catches up to the SLE 10 state of the kernel, with massive additional fixes.

This kernel update fixes the following security problems :

  - The ftdi_sio driver allowed local users to cause a     denial of service (memory consumption) by writing more     data to the serial port than the hardware can handle,     which causes the data to be queued. This requires this     driver to be loaded, which only happens if such a device     is plugged in. (CVE-2006-2936)

  - A deadlock in mincore that could be caused by local     attackers was fixed. (CVE-2006-4814)

  - Multiple buffer overflows in the cmtp_recv_interopmsg     function in the Bluetooth driver     (net/bluetooth/cmtp/capi.c) in the Linux kernel allowed     remote attackers to cause a denial of service (crash)     and possibly execute arbitrary code via CAPI messages     with a large value for the length of the (1) manu     (manufacturer) or (2) serial (serial number) field.
    (CVE-2006-6106)

  - The isdn_ppp_ccp_reset_alloc_state function in     drivers/isdn/isdn_ppp.c in the Linux kernel does not     call the init_timer function for the ISDN PPP CCP reset     state timer, which has unknown attack vectors and     results in a system crash. (CVE-2006-5749)

  - Unspecified vulnerability in the listxattr system call     in Linux kernel, when a 'bad inode' is present, allows     local users to cause a denial of service (data     corruption) and possibly gain privileges.
    (CVE-2006-5753)

  - A remote denial of service problem on NFSv2 mounts with     ACL enabled was fixed.

and the following non security bugs :

  - patches.xen/xen-x86_64-agp: add missing header [#222174]     [#224170]

  - patches.fixes/dcache-race-during-umount: Fix dcache race     during umount [#136310] [#151638]

  - patches.arch/x86_64-kdump-bootmem-fix: Handle     reserve_bootmem_generic beyond end_pfn [#179093]

  - patches.fixes/rpc-no-paranoia: Ratelimit some messages     from SUNRPC servers (nfsd) [#190178]

  - patches.fixes/nfs-lock-warning-removal: Remove useless     warning about VFS being out of sync with lock manager     [#192813]

  - patches.fixes/acpiphp-fix-ibm-hotplug-oops.patch: Fix     acpiphp oops when hotplug is performed on an IBM 8864/6     [#203923]

  - patches.fixes/oom-child-kill-fix.patch: OOM: prevent     OOM_DISABLE tasks from being killed when out of memory     [#211859]

  - patches.drivers/alsa-control-warning-fix: Fix bogus     kernel error messages from ALSA control.c [#212484]

  - patches.fixes/init_isolcpus.diff: sched: force     /sbin/init off isolated cpus [#216799]

  - patches.fixes/ocfs2-network-send-lock.diff: fix     regression that caused the idle timer not to be reset     during packet processing [#216912]

  - patches.fixes/workqueue_cpu_deadlock-fix.diff: [PATCH]     workqueue: fix deadlock when workqueue func takes the     workqueue mutex [#217222]

  - patches.drivers/open-iscsi-handle-check-condition: Host     lockups then Reboots when an iSCSI session is attempted     [#219968]

  - patches.arch/ia64-fp-rate-limit: [ia64] Reduce overhead     of FP exception logging messages. [#223314]

  - patches.arch/ia64-sn2-bte_unaligned_copy-overrun: [ia64]     Avert transfer of extra cache line by     bte_unaligned_copy(). [#224166]

  - patches.fixes/natsemi-long-cable-fix: natsemi: make     cable length magic configurable [#225091]

  - patches.fixes/sunrpc-randomize-xids: SUNRPC: NFS_ROOT     always uses the same XIDs [#225251]

  - patches.drivers/usb-funsoft-hwinfo.patch: USB: fix     hwinfo issue with funsoft driver [#226661]     patches.fixes/fix-ext3-kmalloc-flags-with-journal-handle     .diff: ext3: use GFP_NOFS for allocations while holding     journal handle [#228694]

  - patches.fixes/nfs-tcp-reconnect-on-error: RPC: Ensure     that we disconnect TCP socket when client requests error     out [#230210]

  - patches.fixes/sunrpc-listen-race: knfsd: Fix race that     can disable NFS server. [#230287]     patches.drivers/pci-quirk-1k-i-o-space-iobl_adr-fix-on-p     64h2.patch: PCI Quirk: 1k I/O space IOBL_ADR fix on     P64H2 [#230365]

  - patches.drivers/ide-generic-fix-JMB-entries: [PATCH]     ide-generic: fix JMB handling [#231218] [#207939]

  - patches.drivers/qla2xxx-block-error-handler: crash in     qla2xxx driver during error recovery [#232957]

  - patches.fixes/loop_early_wakeup_fix.diff: Fix oops in     loopback device during mount. [#232992]

  - patches.fixes/nfs-jiffie-wrap: Avoid extra GETATTR calls     caused by 'jiffie wrap'. [#233155]

  - add patches.fixes/atalk_sendmsg-crash.patch Fix     potential OOPS in atalk_sendmsg() [#235049]

  - patches.fixes/ext3_readdir_use_generic_readahead.diff:
    ext3_readdir: use generic readahead [#228682] [#235302]

  - patches.drivers/ide-fix-drive-side-80c-detection:
    [PATCH] ide: fix drive side 80c cable detection     [#237164]

  - patches.fixes/xfs-kern-28000a-buffer-unwritten-new: Set     the buffer new flag on writes to unwritten XFS extents.
    This fixes a corruption in preallocated files on XFS     [#237908]

  - patches.drivers/ide-atiixp-fix-cable-detection: [PATCH]     atiixp: fix cable detection [#241403]

  - patches.drivers/ide-atiixp-sb600-has-only-one-port:
    [PATCH] atiixp: SB600 has only one channel [#241403]

  - patches.fixes/md-avoid-bitmap-overflow: Avoid possible     BUG_ON in md bitmap handling. [#242180]

  - patches.fixes/ocfs2-loop-aops-hack.diff: ocfs2/loop:
    forbid use of aops when inappropriate [#242200]

ID	Name	Product	Family	Published	Updated	Severity
27293	openSUSE 10 Security Update : kernel (kernel-2705)	Nessus	SuSE Local Security Checks	10/17/2007	1/14/2021	high
24653	Mandrake Linux Security Advisory : kernel (MDKSA-2007:040)	Nessus	Mandriva Local Security Checks	2/18/2007	1/6/2021	high
24628	Mandrake Linux Security Advisory : kernel (MDKSA-2007:012)	Nessus	Mandriva Local Security Checks	2/18/2007	1/6/2021	high
28005	Ubuntu 5.10 / 6.06 LTS / 6.10 : linux-source-2.6.12/2.6.15/2.6.17 vulnerabilities (USN-416-1)	Nessus	Ubuntu Local Security Checks	11/10/2007	1/19/2021	high
27292	openSUSE 10 Security Update : kernel (kernel-2635)	Nessus	SuSE Local Security Checks	10/17/2007	1/14/2021	high
29486	SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 2606)	Nessus	SuSE Local Security Checks	12/13/2007	1/14/2021	high
59122	SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 2605)	Nessus	SuSE Local Security Checks	5/17/2012	1/14/2021	high

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