drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-1380-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 11.04 |
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Datum: |
Mi, 29. Februar 2012, 07:41 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2498
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2518
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4097
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0207 |
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Applikationen: |
Linux |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-1380-1 February 29, 2012
linux vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.04
Summary:
Several security issues were fixed in the kernel.
Software Description: - linux: Linux kernel
Details:
The linux kernel did not properly account for PTE pages when deciding which task to kill in out of memory conditions. A local, unprivileged could exploit this flaw to cause a denial of service. (CVE-2011-2498)
A flaw was discovered in the TOMOYO LSM's handling of mount system calls. An unprivileged user could oops the system causing a denial of service. (CVE-2011-2518)
A bug was discovered in the Linux kernel's calculation of OOM (Out of memory) scores, that would result in the wrong process being killed. A user could use this to kill the process with the highest OOM score, even if that process belongs to another user or the system. (CVE-2011-4097)
A flaw was found in the linux kernels IPv4 IGMP query processing. A remote attacker could exploit this to cause a denial of service. (CVE-2012-0207)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 11.04: linux-image-2.6.38-13-generic 2.6.38-13.56 linux-image-2.6.38-13-generic-pae 2.6.38-13.56 linux-image-2.6.38-13-omap 2.6.38-13.56 linux-image-2.6.38-13-powerpc 2.6.38-13.56 linux-image-2.6.38-13-powerpc-smp 2.6.38-13.56 linux-image-2.6.38-13-powerpc64-smp 2.6.38-13.56 linux-image-2.6.38-13-server 2.6.38-13.56 linux-image-2.6.38-13-versatile 2.6.38-13.56 linux-image-2.6.38-13-virtual 2.6.38-13.56
After a standard system update you need to reboot your computer to make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-1380-1 CVE-2011-2498, CVE-2011-2518, CVE-2011-4097, CVE-2012-0207
Package Information: https://launchpad.net/ubuntu/+source/linux/2.6.38-13.56
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