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Ubuntu Security Notice USN-1609-1

Ubuntu Security Notice USN-1609-1
Posted Oct 12, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1609-1 - 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.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-2137
SHA-256 | 23b5d306ee486b624bdb46554b117f6c45aae634e07c1d779d08323f85ec76af

Ubuntu Security Notice USN-1609-1

Change Mirror Download
============================================================================
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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