CVE-2012-2934

Xen 4.0 and 4.1 - Denial of Service via Non-Canonical Boundary Instruction Execution

Title source: llm

Description

Xen 4.0, and 4.1, when running a 64-bit PV guest on "older" AMD CPUs, does not properly protect against a certain AMD processor bug, which allows local guest OS users to cause a denial of service (host hang) via sequential execution of instructions across a non-canonical boundary, a different vulnerability than CVE-2012-0217.

References (9)

Core 9

Core References

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/55082

Various Sources x_refsource_misc

http://support.amd.com/us/Processor_TechDocs/25759.pdf

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/53961

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/51413

Third Party Advisory vendor-advisory x_refsource_gentoo

http://security.gentoo.org/glsa/glsa-201309-24.xml

Third Party Advisory vendor-advisory x_refsource_debian

http://www.debian.org/security/2012/dsa-2501

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html

Patch, Vendor Advisory mailing-list x_refsource_mlist

http://lists.xen.org/archives/html/xen-announce/2012-06/msg00002.html

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html

Scores

EPSS 0.0017

EPSS Percentile 37.5%

Details

Status published

Products (2)

xen/xen 4.0.0

xen/xen 4.1.0

Published Dec 03, 2012

Tracked Since Feb 18, 2026