CVE-2012-4536

Publication date 21 November 2012

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Description

The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.

Read the notes from the security team

Status

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

mdeslaur

only xen 4.1 is vulnerable

References

Other references