1. Ubuntu Security Notices
  2. USN-1590-1

USN-1590-1: QEMU vulnerability

Publication date

2 October 2012

Overview

QEMU could be made to crash or run programs.

Releases

Packages

  • qemu-kvm - Machine emulator and virtualizer

Details

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 host.

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 host.

Update instructions

After a standard system update you need to restart your virtual machines to make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
12.04 precise qemu-kvm –  1.0+noroms-0ubuntu14.2
11.10 oneiric qemu-kvm –  0.14.1+noroms-0ubuntu6.5
11.04 natty qemu-kvm –  0.14.0+noroms-0ubuntu4.7
10.04 lucid qemu-kvm –  0.12.3+noroms-0ubuntu9.20

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References

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