Security update for Linux kernel

Knowledgebase

(Last modified: 08OCT2007)

solutions Security update for Linux kernel
SuSE Linux Maintenance Web (3ab5b760a92f04f7cd009b618ae2fe07)

Applies to

Package: k_athlon
k_debug
k_deflt
k_psmp
k_smp
kernel-source
kernel-source-um
Product(s): SUSE LINUX Retail Solution 8
SuSE Linux School Server for i386
SuSE Linux Standard Server 8
SuSE Linux Enterprise Server 8 for x86
SuSE Linux Openexchange Server 4
Patch: patch-11836
Release: 20071008
Obsoletes: 09c539304999e790397997e9b73bc166

Indications

Everyone using the Linux Kernel on x86 architecture should update.

Contraindications

None.

Problem description

This kernel update fixes the following security problems:

CVE-2006-4145: The Universal Disk Format (UDF) filesystem driver allowed local users to cause a denial-of-service.
CVE-2006-6106: Multiple buffer overflows in the cmtp_recv_interopmsg function in the Bluetooth driver allowed remote attackers to cause a denial-of-service and possibly execute arbitrary code via CAPI messages.
CVE-2007-0773: Local users can exploit a bug in the kernel to cause a denial-of-service (kernel OOPS) via fput in a 32-bit ioctl on a 64-bit x86 system.
CVE-2007-4573: It was possible for local user to become root by exploitable a bug in the IA32 system call emulation. This affects x86_64 platforms with kernel 2.4.x and 2.6.x before 2.6.22.7 only.

and the following non security bugs:

patches.common/reiserfs-bkl-inversion: fix reiserfs lock inversion of bkl vs inode semaphore [#116531]
patches.common/reiserfs-generic-open.diff: reiserfs: use generic_file_open for open() checks [#182097]
patches.common/bad_inode-types.diff: [#230270] vfs: fix missing sign extension on error return codes w/ bad inodes
patches.common/fix-igmp-unlock: [IPV4]: Fix deadlock on ip_mc_list->lock [#243783]
patches.common/reiserfs-fix-vs-13060.diff: reiserfs: fix corruption with vs-13060 [#257735]
patches.common/reiserfs-change_generation_on_update_sd.diff: Fix assertion failure in reiserfs [#274288]
patches.common/reiserfs-transaction-overflow: reiserfs: handle trans_id overflow. [#329645]

Solution

Please install the updates provided at the location noted below.

Installation notes

This update is provided as an RPM package that can easily be installed onto a running system.
First, find out which kernel package to use, for example with

rpm -qf /boot/vmlinuz

Download the kernel image fitting your setup and install it with either:

rpm -Fvh k_deflt-2.4.*.i586.rpm for the default kernel image, or
rpm -Fhv k_athlon-2.4.*.i586.rpm for the AMD Athlon optimized kernel image, or
rpm -Fhv k_smp-2.4.*.i586.rpm for the SMP kernel image, or
rpm -Fhv k_psmp-2.4.*.i586.rpm for the PSMP kernel image

Please do only install one of these kernels, not all of them.
In case you are using LILO as bootmanager, please make sure that you also execute the command

lilo

after installing the update for the system to remain bootable.
Finally, reboot the system with

shutdown -r now

to load the new kernel (replace "now" with the appropriate amount of time to allow local users to cleanly log out, for example "+5" for five minutes.)

links to download packages

Download Source Packages

Download the source code of the patches for maintained products.

Disclaimer

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