drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
USN-1286-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 10.04 LTS |
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Datum: |
Sa, 3. Dezember 2011, 12:25 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2491
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2496
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2517
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2525
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-2011-4132
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4326
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-1286-1 December 03, 2011
linux 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: Linux kernel
Details:
Vasily Averin discovered that the NFS Lock Manager (NLM) incorrectly handled unlock requests. A local attacker could exploit this to cause a denial of service. (CVE-2011-2491)
Robert Swiecki discovered that mapping extensions were incorrectly handled. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2011-2496)
It was discovered that the wireless stack incorrectly verified SSID lengths. A local attacker could exploit this to cause a denial of service or gain root privileges. (CVE-2011-2517)
Ben Pfaff discovered that Classless Queuing Disciplines (qdiscs) were being incorrectly handled. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2011-2525)
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 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)
A bug was found in the way headroom check was performed in udp6_ufo_fragment() function. A remote attacker could use this flaw to crash the system. (CVE-2011-4326)
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 10.04 LTS: linux-image-2.6.32-36-386 2.6.32-36.79 linux-image-2.6.32-36-generic 2.6.32-36.79 linux-image-2.6.32-36-generic-pae 2.6.32-36.79 linux-image-2.6.32-36-ia64 2.6.32-36.79 linux-image-2.6.32-36-lpia 2.6.32-36.79 linux-image-2.6.32-36-powerpc 2.6.32-36.79 linux-image-2.6.32-36-powerpc-smp 2.6.32-36.79 linux-image-2.6.32-36-powerpc64-smp 2.6.32-36.79 linux-image-2.6.32-36-preempt 2.6.32-36.79 linux-image-2.6.32-36-server 2.6.32-36.79 linux-image-2.6.32-36-sparc64 2.6.32-36.79 linux-image-2.6.32-36-sparc64-smp 2.6.32-36.79 linux-image-2.6.32-36-versatile 2.6.32-36.79 linux-image-2.6.32-36-virtual 2.6.32-36.79
After a standard system update you need to reboot your computer to make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-1286-1 CVE-2011-2491, CVE-2011-2496, CVE-2011-2517, CVE-2011-2525, CVE-2011-4077, CVE-2011-4081, CVE-2011-4132, CVE-2011-4326, CVE-2011-4330
Package Information: https://launchpad.net/ubuntu/+source/linux/2.6.32-36.79
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