USN-1555-1: Linux kernel vulnerabilities

Ubuntu Security Notice USN-1555-1

5th September, 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


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

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

Ubuntu 10.04 LTS:
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

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

CVE-2012-0044, CVE-2012-2372, CVE-2012-3400