CVE-2011-2901

Xen < 3.3.0 - Denial of Service via __addr_ok Macro Off-by-One Error

Title source: llm
STIX 2.1

Description

Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits.

References (5)

Core 5
Core References
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/55082
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2011/09/02/2
Third Party Advisory vendor-advisory x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-201309-24.xml
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2011-1212.html
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=728042

Scores

EPSS 0.0012
EPSS Percentile 30.3%

Details

CWE
CWE-399
Status published
Products (10)
xen/xen 3.0.2
xen/xen 3.0.3
xen/xen 3.0.4
xen/xen 3.1.3
xen/xen 3.1.4
xen/xen 3.2.0
xen/xen 3.2.1
xen/xen 3.2.2
xen/xen 3.2.3
xen/xen < 3.3.0
Published Oct 01, 2013
Tracked Since Feb 18, 2026