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Mandriva Linux Security Advisory 2006.018

Mandriva Linux Security Advisory 2006.018
Posted Jan 25, 2006
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory - Multiple vulnerabilities in the Linux Kernel.

tags | advisory, kernel, vulnerability
systems | linux, mandriva
SHA-256 | f468cdd7dfeed0b5b4989e9bdcd1832a1eaf9a9aadbfc1f53b306faa7a863d69

Mandriva Linux Security Advisory 2006.018

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

_______________________________________________________________________

Mandriva Linux Security Advisory MDKSA-2006:018
http://www.mandriva.com/security/
_______________________________________________________________________

Package : kernel
Date : January 20, 2006
Affected: 2006.0
_______________________________________________________________________

Problem Description:

A number of vulnerabilites have been corrected in the Linux kernel:

A race condition in the 2.6 kernel could allow a local user to cause a
DoS by triggering a core dump in one thread while another thread has a
pending SIGSTOP (CVE-2005-3527).

The ptrace functionality in 2.6 kernels prior to 2.6.14.2, using
CLONE_THREAD, does not use the thread group ID to check whether it is
attaching to itself, which could allow local users to cause a DoS
(CVE-2005-3783).

The auto-reap child process in 2.6 kernels prior to 2.6.15 include
processes with ptrace attached, which leads to a dangling ptrace
reference and allows local users to cause a crash (CVE-2005-3784).

A locking problem in the POSIX timer cleanup handling on exit on
kernels 2.6.10 to 2.6.14 when running on SMP systems, allows a local
user to cause a deadlock involving process CPU timers (CVE-2005-3805).

The IPv6 flowlabel handling code in 2.4 and 2.6 kernels prior to
2.4.32 and 2.6.14 modifes the wrong variable in certain circumstances,
which allows local users to corrupt kernel memory or cause a crash by
triggering a free of non-allocated memory (CVE-2005-3806).

An integer overflow in 2.6.14 and earlier could allow a local user to
cause a hang via 64-bit mmap calls that are not properly handled on a
32-bit system (CVE-2005-3808).

As well, other bugfixes are included in this update:

Fixes to swsup and HDA sound fixes (DMA buffer fixes, and fixes for the
AD1986a codec, added support for Nvidia chipsets, and new model
information for the Gigabyte K8N51).

MCP51 forcedeth support has been added.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3527
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3783
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3784
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3805
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3806
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3808
_______________________________________________________________________

Updated Packages:

Mandriva Linux 2006.0:
c71acedddee438c177e44c59ace9231c 2006.0/RPMS/kernel-2.6.12.15mdk-1-1mdk.i586.rpm
be94c46555066619429aba3c11e88c49 2006.0/RPMS/kernel-i586-up-1GB-2.6.12.15mdk-1-1mdk.i586.rpm
0506cd9f49c7fa8998ea9611c22fa33b 2006.0/RPMS/kernel-i686-up-4GB-2.6.12.15mdk-1-1mdk.i586.rpm
bdc7d06043c6a98a1a9d1baee3bc47dd 2006.0/RPMS/kernel-smp-2.6.12.15mdk-1-1mdk.i586.rpm
e4283335d3c3f2ff679dbaf672e2a288 2006.0/RPMS/kernel-source-2.6-2.6.12-15mdk.i586.rpm
4114739c58dd249e23afbde019ecf5e7 2006.0/RPMS/kernel-source-stripped-2.6-2.6.12-15mdk.i586.rpm
f9f5deb668cfdaf90f66a50de54e8e54 2006.0/RPMS/kernel-xbox-2.6.12.15mdk-1-1mdk.i586.rpm
bc0bade8d53184908296fac79fc07724 2006.0/RPMS/kernel-xen0-2.6.12.15mdk-1-1mdk.i586.rpm
8e4f4040d6b08d25cf323a451301cfe6 2006.0/RPMS/kernel-xenU-2.6.12.15mdk-1-1mdk.i586.rpm
786b6c30ae9c052de3a856d8933fe2fd 2006.0/SRPMS/kernel-2.6.12.15mdk-1-1mdk.src.rpm

Mandriva Linux 2006.0/X86_64:
cf1e06a1f851f40a4298b9d7f8135da5 x86_64/2006.0/RPMS/kernel-2.6.12.15mdk-1-1mdk.x86_64.rpm
00a15f173dc072f60c810b8d513987c9 x86_64/2006.0/RPMS/kernel-smp-2.6.12.15mdk-1-1mdk.x86_64.rpm
b82e5e65bb03c557a3d1f6f3145a58cd x86_64/2006.0/RPMS/kernel-source-2.6-2.6.12-15mdk.x86_64.rpm
6ed321add133142fb3f597e004c9747f x86_64/2006.0/RPMS/kernel-source-stripped-2.6-2.6.12-15mdk.x86_64.rpm
786b6c30ae9c052de3a856d8933fe2fd x86_64/2006.0/SRPMS/kernel-2.6.12.15mdk-1-1mdk.src.rpm
_______________________________________________________________________

To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/security/advisories

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
_______________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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