USN-863-1: QEMU vulnerability

3 December 2009

qemu-kvm vulnerability

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

  • Ubuntu 9.10

Software Description

  • qemu-kvm


It was discovered that QEMU did not properly setup the virtio networking features available to its guests. A remote attacker could exploit this to crash QEMU guests which use virtio networking on Linux kernels earlier than 2.6.26.

Update instructions

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

Ubuntu 9.10
qemu-kvm - 0.11.0-0ubuntu6.3

To update your system, please follow these instructions:

After a standard system upgrade you need to restart any QEMU guests to effect the necessary changes.