Ubuntu Security Notice USN-1650-1

30th November, 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 version:

Ubuntu 8.04 LTS:

linux-image-2.6.24-32-itanium 2.6.24-32.106

linux-image-2.6.24-32-powerpc 2.6.24-32.106

linux-image-2.6.24-32-virtual 2.6.24-32.106

linux-image-2.6.24-32-powerpc64-smp 2.6.24-32.106

linux-image-2.6.24-32-sparc64 2.6.24-32.106

linux-image-2.6.24-32-server 2.6.24-32.106

linux-image-2.6.24-32-openvz 2.6.24-32.106

linux-image-2.6.24-32-386 2.6.24-32.106

linux-image-2.6.24-32-lpiacompat 2.6.24-32.106

linux-image-2.6.24-32-hppa32 2.6.24-32.106

linux-image-2.6.24-32-lpia 2.6.24-32.106

linux-image-2.6.24-32-xen 2.6.24-32.106

linux-image-2.6.24-32-generic 2.6.24-32.106

linux-image-2.6.24-32-powerpc-smp 2.6.24-32.106

linux-image-2.6.24-32-mckinley 2.6.24-32.106

linux-image-2.6.24-32-rt 2.6.24-32.106

linux-image-2.6.24-32-hppa64 2.6.24-32.106

linux-image-2.6.24-32-sparc64-smp 2.6.24-32.106

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2012-4565