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Ubuntu alert USN-1312-1 (linux)
========================================================================== Ubuntu Security Notice USN-1312-1 December 19, 2011 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: 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) 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 11.04: linux-image-2.6.38-13-generic 2.6.38-13.53 linux-image-2.6.38-13-generic-pae 2.6.38-13.53 linux-image-2.6.38-13-omap 2.6.38-13.53 linux-image-2.6.38-13-powerpc 2.6.38-13.53 linux-image-2.6.38-13-powerpc-smp 2.6.38-13.53 linux-image-2.6.38-13-powerpc64-smp 2.6.38-13.53 linux-image-2.6.38-13-server 2.6.38-13.53 linux-image-2.6.38-13-versatile 2.6.38-13.53 linux-image-2.6.38-13-virtual 2.6.38-13.53 After a standard system update you need to reboot your computer to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1312-1 CVE-2011-4077, CVE-2011-4081, CVE-2011-4132, CVE-2011-4330 Package Information: https://launchpad.net/ubuntu/+source/linux/2.6.38-13.53 -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security... (Log in to post comments)
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