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==========================================================================
Ubuntu Security Notice USN-1594-1
October 03, 2012

linux-lts-backport-oneiric 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-lts-backport-oneiric: Linux kernel backport from Oneiric

Details:

Vadim Ponomarev discovered a flaw in the Linux kernel causing a reference
leak when PID namespaces are used. A remote attacker could exploit this
flaw causing a denial of service. (CVE-2012-2127)

A flaw was found in how the Linux kernel's KVM (Kernel-based Virtual
Machine) subsystem handled MSI (Message Signaled Interrupts). A local
unprivileged user could exploit this flaw to cause a denial of service or
potentially elevate privileges. (CVE-2012-2137)

Update instructions:

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

Ubuntu 10.04 LTS:
  linux-image-3.0.0-26-generic    3.0.0-26.43~lucid1
  linux-image-3.0.0-26-generic-pae  3.0.0-26.43~lucid1
  linux-image-3.0.0-26-server     3.0.0-26.43~lucid1
  linux-image-3.0.0-26-virtual    3.0.0-26.43~lucid1

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

References:
  http://www.ubuntu.com/usn/usn-1594-1
  CVE-2012-2127, CVE-2012-2137

Package Information:
  https://launchpad.net/ubuntu/+source/linux-lts-backport-oneiric/3.0.0-26.43~lucid1


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