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Ubuntu Security Notice USN-1598-1

Ubuntu Security Notice USN-1598-1
Posted Oct 10, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1598-1 - 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.

tags | advisory, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2012-2136
MD5 | 0c785558c0677eef63b7fd00a8a76257

Ubuntu Security Notice USN-1598-1

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