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--------------------------------------------------------------------------
Debian Security Advisory DSA XXX-1 security@debian.org
http://www.debian.org/security/ Dann Frazier
XXXXX 8th, 2006 http://www.debian.org/security/faq
--------------------------------------------------------------------------
Package : kernel-source-2.6.8
Vulnerability : several
Problem-Type : local/remote
Debian-specific: no
CVE ID : CVE-2006-3468 CVE-2004-2660 CVE-2005-4798 CVE-2006-2935
CVE-2006-2936 CVE-2006-1052 CVE-2006-1343 CVE-2006-1528
CVE-2006-1855 CVE-2006-1856 CVE-2006-2444 CVE-2006-2446
CVE-2006-3745 CVE-2006-4535 CVE-2006-4093 CVE-2006-4145
Several local and remote vulnerabilities have been discovered in the Linux
kernel that may lead to a denial of service or the execution of arbitrary
code. The Common Vulnerabilities and Exposures project identifies the
following problems:
CVE-2006-3468
James McKenzie discovered a vulnerability in the NFS subsystem, allowing
remote denial of service if an ext3 filesystem is exported.
CVE-2004-2660
IWAMOTO Toshihiro discovered a direct IO memory leak that a malicious
local user could use to create a local denial of service.
CVE-2005-4798
Assar discovered a buffer overlow in the NFS readlink handling code
that would allows a malicious remote server to cause a denail of
service (crash) using a long symlink.
CVE-2006-2935
Diego Calleja Garcia discovered a potential buffer overflow in the
dvd_read_bca() function that could allow aribrary code execution via
a malicious CDROM device
CVE-2006-2936
Ian Abbott and Guillaume Autran provided a fix for a vulnerability in
the ftdio_sio driver that could allow a local user to initiate a denial
of service attack by writing lots of data to the serial port and
consuming all of system memory.
CVE-2006-1052
Stephen Smalley contributed a fix for a bug in SELinux that allows local
users with ptrace permission to change the tracer SID to the SID of
another process.
CVE-2006-1343
Pavel Kankovsky discovered that sockaddr_in.sin_zero is not zeroed
during certain operations returning IPv4 socket names which allows
potentially sensitive memory to be leaked to userspace.
CVE-2006-1528
Douglas Gilbert reported a bug in the sg driver that allows local
users to oops the kernel by performing dio transfers from the sg
driver to memory mapped IO space.
CVE-2006-1855
Mattia Belletti noticed that certain debugging code left in the
choose_new_parent routine allows local users to cause a denial of
service (panic).
CVE-2006-1856
Kostik Belousov discovered a missing LSM file_permission check in the
readv and writev functions which might allow attackers to bypass intended
access restrictions.
CVE-2006-2444
Patrick McHardy reported a memory corruption bug in snmp_trap_decode that
could be used by remote attackers to crash a system.
CVE-2006-2446
A race between the kfree_skb and __skb_unlink functions allows remote
users to crash a system.
CVE-2006-3745
Wei Wang discovered a vulnerability in the SCTP subsystem that can be
exploited for local privilege escalation.
CVE-2006-4535
David Miller reported a problem with the fix for CVE-2006-3745 that allows
local users to crash the system using via an SCTP socket with a certain
SO_LINGER value.
CVE-2006-4093
Olof Johansson reported a vulnerability on PPC970 systems that allows
local users to hang a machine related to the HID0 attention enable at
boot time.
CVE-2006-4145
Colin discovered a bug in the UDF filesystem that allows local users to
hang a system when truncating files.
The following matrix explains which kernel version for which architecture
fix the problems mentioned above:
Debian 3.1 (sarge)
Source 2.6.8-16sarge5
Alpha architecture 2.6.8-16sarge5
AMD64 architecture 2.6.8-16sarge5
HP Precision architecture 2.6.8-6sarge5
Intel IA-32 architecture 2.6.8-16sarge5
Intel IA-64 architecture 2.6.8-14sarge5
Motorola 680x0 architecture 2.6.8-4sarge5
PowerPC architecture 2.6.8-12sarge5
IBM S/390 architecture 2.6.8-5sarge5
Sun Sparc architecture 2.6.8-15sarge5
The following matrix lists additional packages that were rebuilt for
compatibility with or to take advantage of this update:
Debian 3.1 (sarge)
fai-kernels 1.9.1sarge4
We recommend that you upgrade your kernel package immediately and reboot
the machine. If you have built a custom kernel from the kernel source
package, you will need to rebuild to take advantage of these fixes.
Upgrade Instructions
--------------------
wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.
If you are using the apt-get package manager, use the line for
sources.list as given below:
apt-get update
will update the internal database
apt-get upgrade
will install corrected packages
You may use an automated update by adding the resources from the
footer to the proper configuration.
Debian GNU/Linux 3.1 alias sarge
--------------------------------
These files will probably be moved into the stable distribution on
its next update.
---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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