PT-2012-4375 · Amd+2 · Xen+2

Published 2012-06-12 · Updated 2014-05-05 · CVE-2012-2934

Positive Technologies (AI Summary)

CVSS v2.0

1.9

Low

Base vector

AV:L/AC:M/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions Xen versions 4.0 through 4.1

Description The issue allows local guest OS users to cause a denial of service (host hang) via sequential execution of instructions across a non-canonical boundary on "older" AMD CPUs when running a 64-bit PV guest.

Recommendations For Xen versions 4.0 through 4.1, consider restricting the use of 64-bit PV guests on "older" AMD CPUs to minimize the risk of exploitation.

Exploit

Fix

Related Identifiers

CVE-2012-2934

DSA-2501-1

OPENSUSE-SU-2012_1572-1

OPENSUSE-SU-2012_1573-1

RHSA-2012:0721

RHSA-2012_0721

Affected Products

Red Hat

Suse

Xen

References · 52

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/freebsd/local/intel_sysret_priv_esc.rb · Exploit
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html · Vendor Advisory
• http://debian.org/security/2012/dsa-2501 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2012-2934 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2012-2934 · Vendor Advisory
• http://lists.xen.org/archives/html/xen-announce/2012-06/msg00002.html · Vendor Advisory
• http://security.gentoo.org/glsa/glsa-201309-24.xml · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2012-2934 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-2934 · Security Note
• https://bugzilla.novell.com/778105 · Note
• http://support.novell.com/security/cve/CVE-2012-3515.html · Note
• http://support.amd.com/us/Processor_TechDocs/25759.pdf · Note
• http://support.novell.com/security/cve/CVE-2012-2934.html · Note
• http://secunia.com/advisories/55082 · Note