CVE-2012-3494

Publication date 23 November 2012

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.

Read the notes from the security team

Status

No maintained releases are affected by this CVE.

Package Ubuntu Release Status
xen 13.10 saucy
Not affected
13.04 raring
Not affected
12.10 quantal
Not affected
12.04 LTS precise
Fixed 4.1.2-2ubuntu2.4
11.10 oneiric
Fixed 4.1.1-2ubuntu4.4
11.04 natty Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release
xen-3.1 13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Ignored end of life
xen-3.2 13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Ignored end of life
xen-3.3 13.10 saucy Not in release
13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Ignored end of life
10.04 LTS lucid Ignored end of life
8.04 LTS hardy Not in release

Notes

mdeslaur

This is XSA-12