CVE-2012-4538

Publication date 24 November 2012

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.

Read the notes from the security team

Status

No maintained releases are affected by this CVE.

Package Ubuntu Release Status
xen 12.10 quantal
Fixed 4.1.3-3ubuntu1.1
12.04 LTS precise
Fixed 4.1.2-2ubuntu2.3
11.10 oneiric
Fixed 4.1.1-2ubuntu4.3
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release
xen-3.1 12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy
Not affected
xen-3.2 12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy
Not affected
xen-3.3 12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
10.04 LTS lucid
Not affected
8.04 LTS hardy Not in release

Notes

seth-arnold

significant mitigating factors, may not be an issue for all sites

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
xen