USN-1312-1: Linux kernel vulnerabilities
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)
Affected Software
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of USN-1312-1?
The severity of USN-1312-1 is high, as it allows local attackers to crash the system or gain root privileges.
How do I fix USN-1312-1?
To fix USN-1312-1, upgrade the affected packages to version 2.6.38-13.53 or later.
What systems are affected by USN-1312-1?
USN-1312-1 affects Ubuntu 11.04 with specific kernel versions 2.6.38-13 for powerpc, powerpc64-smp, generic-pae, versatile, generic, virtual, server, omap, and powerpc-smp.
What vulnerability is associated with USN-1312-1?
USN-1312-1 is associated with CVE-2011-4077, which describes a bug in the XFS filesystem's handling of pathnames.
Can USN-1312-1 lead to unauthorized access?
Yes, USN-1312-1 can potentially lead to unauthorized access by allowing local attackers to escalate privileges.