drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-1322-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 11.10 |
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Datum: |
Mo, 9. Januar 2012, 16:39 |
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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-2011-4081
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 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-1322-1 January 09, 2012
linux vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10
Summary:
Several security issues were fixed in the kernel.
Software Description: - linux: Linux kernel
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)
Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions. A local attacker could exploit this to cause a kernel oops. (CVE-2011-4081)
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)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 11.10: linux-image-3.0.0-15-generic 3.0.0-15.25 linux-image-3.0.0-15-generic-pae 3.0.0-15.25 linux-image-3.0.0-15-omap 3.0.0-15.25 linux-image-3.0.0-15-powerpc 3.0.0-15.25 linux-image-3.0.0-15-powerpc-smp 3.0.0-15.25 linux-image-3.0.0-15-powerpc64-smp 3.0.0-15.25 linux-image-3.0.0-15-server 3.0.0-15.25 linux-image-3.0.0-15-virtual 3.0.0-15.25
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-1322-1 CVE-2011-2203, CVE-2011-4077, CVE-2011-4081, CVE-2011-4110, CVE-2011-4132, CVE-2011-4330
Package Information: https://launchpad.net/ubuntu/+source/linux/3.0.0-15.25
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