[USN-1609-1] Linux kernel (OMAP4) vulnerability

John Johansen john.johansen at canonical.com
Fri Oct 12 09:54:29 UTC 2012


==========================================================================
Ubuntu Security Notice USN-1609-1
October 12, 2012

linux-ti-omap4 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.10

Summary:

The system could be made to crash under certain conditions.

Software Description:
- linux-ti-omap4: Linux kernel for OMAP4

Details:

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.

Update instructions:

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

Ubuntu 11.10:
  linux-image-3.0.0-1216-omap4    3.0.0-1216.29

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

References:
  http://www.ubuntu.com/usn/usn-1609-1
  CVE-2012-2137

Package Information:
  https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.0.0-1216.29

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