USN-1492-1: Linux kernel vulnerabilities

29 June 2012

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

Stephan Mueller reported a flaw in the Linux kernel’s dl2k network driver’s handling of ioctls. An unprivileged local user could leverage this flaw to cause a denial of service. (CVE-2012-2313)

Timo Warns reported multiple flaws in the Linux kernel’s hfsplus filesystem. An unprivileged local user could exploit these flaws to gain root system priviliges. (CVE-2012-2319)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 10.04 LTS
linux-image-2.6.32-41-386 - 2.6.32-41.91
linux-image-2.6.32-41-generic - 2.6.32-41.91
linux-image-2.6.32-41-generic-pae - 2.6.32-41.91
linux-image-2.6.32-41-ia64 - 2.6.32-41.91
linux-image-2.6.32-41-lpia - 2.6.32-41.91
linux-image-2.6.32-41-powerpc - 2.6.32-41.91
linux-image-2.6.32-41-powerpc-smp - 2.6.32-41.91
linux-image-2.6.32-41-powerpc64-smp - 2.6.32-41.91
linux-image-2.6.32-41-preempt - 2.6.32-41.91
linux-image-2.6.32-41-server - 2.6.32-41.91
linux-image-2.6.32-41-sparc64 - 2.6.32-41.91
linux-image-2.6.32-41-sparc64-smp - 2.6.32-41.91
linux-image-2.6.32-41-versatile - 2.6.32-41.91
linux-image-2.6.32-41-virtual - 2.6.32-41.91

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to reboot your computer to make all the necessary changes.

References