Ubuntu Security Notice USN-1590-1
2nd October, 2012
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
QEMU could be made to crash or run programs.
- qemu-kvm - Machine emulator and virtualizer
It was discovered that QEMU incorrectly handled certain VT100 escape
sequences. A guest user with access to an emulated character device could
use this flaw to cause QEMU to crash, or possibly execute arbitrary code on
The problem can be corrected by updating your system to the following package version:
- Ubuntu 12.04 LTS:
- qemu-kvm 1.0+noroms-0ubuntu14.2
- Ubuntu 11.10:
- qemu-kvm 0.14.1+noroms-0ubuntu6.5
- Ubuntu 11.04:
- qemu-kvm 0.14.0+noroms-0ubuntu4.7
- Ubuntu 10.04 LTS:
- qemu-kvm 0.12.3+noroms-0ubuntu9.20
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart your virtual machines to
make all the necessary changes.