[USN-1650-1] Linux kernel vulnerability

John Johansen john.johansen at canonical.com
Fri Nov 30 09:55:25 UTC 2012


==========================================================================
Ubuntu Security Notice USN-1650-1
November 30, 2012

linux vulnerability
==========================================================================

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

- Ubuntu 8.04 LTS

Summary:

The system could be made to crash under certain conditions.

Software Description:
- linux: Linux kernel

Details:

Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois
congestion control algorithm. A local attacker could use this to cause a
denial of service.

Update instructions:

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

Ubuntu 8.04 LTS:
  linux-image-2.6.24-32-386       2.6.24-32.106
  linux-image-2.6.24-32-generic   2.6.24-32.106
  linux-image-2.6.24-32-hppa32    2.6.24-32.106
  linux-image-2.6.24-32-hppa64    2.6.24-32.106
  linux-image-2.6.24-32-itanium   2.6.24-32.106
  linux-image-2.6.24-32-lpia      2.6.24-32.106
  linux-image-2.6.24-32-lpiacompat  2.6.24-32.106
  linux-image-2.6.24-32-mckinley  2.6.24-32.106
  linux-image-2.6.24-32-openvz    2.6.24-32.106
  linux-image-2.6.24-32-powerpc   2.6.24-32.106
  linux-image-2.6.24-32-powerpc-smp  2.6.24-32.106
  linux-image-2.6.24-32-powerpc64-smp  2.6.24-32.106
  linux-image-2.6.24-32-rt        2.6.24-32.106
  linux-image-2.6.24-32-server    2.6.24-32.106
  linux-image-2.6.24-32-sparc64   2.6.24-32.106
  linux-image-2.6.24-32-sparc64-smp  2.6.24-32.106
  linux-image-2.6.24-32-virtual   2.6.24-32.106
  linux-image-2.6.24-32-xen       2.6.24-32.106

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

References:
  http://www.ubuntu.com/usn/usn-1650-1
  CVE-2012-4565

Package Information:
  https://launchpad.net/ubuntu/+source/linux/2.6.24-32.106

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