[USN-1598-1] Linux kernel vulnerability

John Johansen john.johansen at canonical.com
Tue Oct 9 08:10:22 UTC 2012


==========================================================================
Ubuntu Security Notice USN-1598-1
October 09, 2012

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

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

- Ubuntu 8.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux: Linux kernel

Details:

An error was discovered in the Linux kernel's network TUN/TAP device
implementation. A local user with access to the TUN/TAP interface (which is
not available to unprivileged users until granted by a root user) could
exploit this flaw to crash the system or potential gain administrative
privileges.

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       2.6.24-32.105
  linux-image-2.6.24-32-generic   2.6.24-32.105
  linux-image-2.6.24-32-hppa32    2.6.24-32.105
  linux-image-2.6.24-32-hppa64    2.6.24-32.105
  linux-image-2.6.24-32-itanium   2.6.24-32.105
  linux-image-2.6.24-32-lpia      2.6.24-32.105
  linux-image-2.6.24-32-lpiacompat  2.6.24-32.105
  linux-image-2.6.24-32-mckinley  2.6.24-32.105
  linux-image-2.6.24-32-openvz    2.6.24-32.105
  linux-image-2.6.24-32-powerpc   2.6.24-32.105
  linux-image-2.6.24-32-powerpc-smp  2.6.24-32.105
  linux-image-2.6.24-32-powerpc64-smp  2.6.24-32.105
  linux-image-2.6.24-32-rt        2.6.24-32.105
  linux-image-2.6.24-32-server    2.6.24-32.105
  linux-image-2.6.24-32-sparc64   2.6.24-32.105
  linux-image-2.6.24-32-sparc64-smp  2.6.24-32.105
  linux-image-2.6.24-32-virtual   2.6.24-32.105
  linux-image-2.6.24-32-xen       2.6.24-32.105

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

References:
  http://www.ubuntu.com/usn/usn-1598-1
  CVE-2012-2136

Package Information:
  https://launchpad.net/ubuntu/+source/linux/2.6.24-32.105

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