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----------------------------------------------------------------------
Debian Security Advisory DSA-XXXX-1 security@debian.org
http://www.debian.org/security/ dann frazier
Aug 16, 2009 http://www.debian.org/security/faq
----------------------------------------------------------------------
Package : linux-2.6
Vulnerability : denial of service/privilege escalation
Problem type : local/remote
Debian-specific: no
CVE Id(s) : CVE-2009-1385 CVE-2009-1389 CVE-2009-1630 CVE-2009-1633
CVE-2009-2692
Several vulnerabilities have been discovered in the Linux kernel that
may lead to denial of service or privilege escalation. The Common
Vulnerabilities and Exposures project identifies the following
problems:
CVE-2009-1385
Neil Horman discovered a missing fix from the e1000 network
driver. A remote user may cause a denial of service by way of a
kernel panic triggered by specially crafted frame sizes.
CVE-2009-1389
Michael Tokarev discovered an issue in the r8169 network driver.
Remote users on the same LAN may cause a denial of service by way
of a kernel panic triggered by receiving a large size frame.
CVE-2009-1630
Frank Filz discovered that local users may be able to execute
files without execute permission when accessed via an nfs4 mount.
CVE-2009-1633
Jeff Layton and Suresh Jayaraman fixed several buffer overflows in
the CIFS filesystem which allow remote servers to cause memory
corruption.
CVE-2009-2692
Tavis Ormandy and Julien Tinnes discovered an issue with how the
sendpage function is initialized in the proto_ops structure.
Local users can exploit this vulnerability to gain elevated
privileges.
For the oldstable distribution (etch), this problem has been fixed in
version 2.6.18.dfsg.1-24etch3.
We recommend that you upgrade your linux-2.6, fai-kernels, and
user-mode-linux packages.
Note: Debian carefully tracks all known security issues across every
linux kernel package in all releases under active security support.
However, given the high frequency at which low-severity security
issues are discovered in the kernel and the resource requirements of
doing an update, updates for lower priority issues will normally not
be released for all kernels at the same time. Rather, they will be
released in a staggered or "leap-frog" fashion.
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
The following matrix lists additional source packages that were rebuilt for
compatability with or to take advantage of this update:
Debian 4.0 (etch)
fai-kernels 1.17+etch.24etch3
user-mode-linux 2.6.18-1um-2etch.24etch3
You may use an automated update by adding the resources from the
footer to the proper configuration.
Debian GNU/Linux 4.0 alias etch
-------------------------------
Oldstable updates are available for alpha, amd64, arm, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.
Source archives:
These changes will probably be included in the oldstable distribution on
its next update.
---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ oldstable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/oldstable/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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