1. Ubuntu Security Notices
  2. USN-1555-1

USN-1555-1: Linux kernel vulnerabilities

Publication date

5 September 2012

Overview

Several security issues were fixed in the kernel.

Releases

Packages

Details

Chen Haogang discovered an integer overflow that could result in memory
corruption. A local unprivileged user could use this to crash the system.
(CVE-2012-0044)

A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS)
protocol implementation. A local, unprivileged user could use this flaw to
cause a denial of service. (CVE-2012-2372)

Some errors where discovered in the Linux kernel's UDF file system, which
is used to mount some CD-ROMs and DVDs. An unprivileged local user could
use these flaws to crash the system. (CVE-2012-3400)

Chen Haogang discovered an integer overflow that could result in memory
corruption. A local unprivileged user could use this to crash the system.
(CVE-2012-0044)

A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS)
protocol implementation. A local, unprivileged user could use this flaw to
cause a denial of service. (CVE-2012-2372)

Some errors where discovered in the Linux kernel's UDF file system, which
is used to mount some CD-ROMs and DVDs. An unprivileged local user could
use these flaws to crash the system. (CVE-2012-3400)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
10.04 lucid linux-image-2.6.32-42-386 –  2.6.32-42.96
linux-image-2.6.32-42-powerpc –  2.6.32-42.96
linux-image-2.6.32-42-powerpc64-smp –  2.6.32-42.96
linux-image-2.6.32-42-generic-pae –  2.6.32-42.96
linux-image-2.6.32-42-sparc64 –  2.6.32-42.96
linux-image-2.6.32-42-generic –  2.6.32-42.96
linux-image-2.6.32-42-versatile –  2.6.32-42.96
linux-image-2.6.32-42-virtual –  2.6.32-42.96
linux-image-2.6.32-42-server –  2.6.32-42.96
linux-image-2.6.32-42-ia64 –  2.6.32-42.96
linux-image-2.6.32-42-sparc64-smp –  2.6.32-42.96
linux-image-2.6.32-42-preempt –  2.6.32-42.96
linux-image-2.6.32-42-powerpc-smp –  2.6.32-42.96
linux-image-2.6.32-42-lpia –  2.6.32-42.96

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›