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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: USN-1340-1
Distribution: Ubuntu
Plattformen: Ubuntu 10.04 LTS
Datum: Di, 24. Januar 2012, 08:19
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2203
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4077
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4110
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4132
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4330
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0044
Applikationen: Linux

Originalnachricht

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==========================================================================
Ubuntu Security Notice USN-1340-1
January 23, 2012

linux-lts-backport-oneiric vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux-lts-backport-oneiric: Linux kernel backport from Oneiric

Details:

Clement Lecigne discovered a bug in the HFS filesystem. A local attacker
could exploit this to cause a kernel oops. (CVE-2011-2203)

A bug was discovered in the XFS filesystem's handling of pathnames. A local
attacker could exploit this to crash the system, leading to a denial of
service, or gain root privileges. (CVE-2011-4077)

A flaw was found in how the Linux kernel handles user-defined key types. An
unprivileged local user could exploit this to crash the system.
(CVE-2011-4110)

A flaw was found in the Journaling Block Device (JBD). A local attacker
able to mount ext3 or ext4 file systems could exploit this to crash the
system, leading to a denial of service. (CVE-2011-4132)

Clement Lecigne discovered a bug in the HFS file system bounds checking.
When a malformed HFS file system is mounted a local user could crash the
system or gain root privileges. (CVE-2011-4330)

Chen Haogang discovered an integer overflow that could result in memory
corruption. A local unprivileged user could use this to crash the system.
(CVE-2012-0044)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 10.04 LTS:
linux-image-3.0.0-15-generic 3.0.0-15.25~lucid1
linux-image-3.0.0-15-generic-pae 3.0.0-15.25~lucid1
linux-image-3.0.0-15-server 3.0.0-15.25~lucid1
linux-image-3.0.0-15-virtual 3.0.0-15.25~lucid1

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References:
http://www.ubuntu.com/usn/usn-1340-1
CVE-2011-2203, CVE-2011-4077, CVE-2011-4110, CVE-2011-4132,
CVE-2011-4330, CVE-2012-0044

Package Information:
https://launchpad.net/ubuntu/+source/linux-lts-backport-oneiric/3.0.0-15.25~lucid1


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