CVE-2011-2901

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Summary

CVECVE-2011-2901
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-10-01 17:55:02 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionOff-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.

Risk And Classification

Primary CVSS: v2.0 5.5 from [email protected]

AV:A/AC:L/Au:S/C:N/I:N/A:C

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Adjacent
Access Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Complete

AV:A/AC:L/Au:S/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Xen Xen 3.0.2 All All All
Operating System Xen Xen 3.0.3 All All All
Operating System Xen Xen 3.0.4 All All All
Operating System Xen Xen 3.1.3 All All All
Operating System Xen Xen 3.1.4 All All All
Operating System Xen Xen 3.2.0 All All All
Operating System Xen Xen 3.2.1 All All All
Operating System Xen Xen 3.2.2 All All All
Operating System Xen Xen 3.2.3 All All All
Operating System Xen Xen All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Gentoo Linux Documentation -- Xen: Multiple vulnerabilities af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
728042 – (CVE-2011-2901) CVE-2011-2901 kernel: xen: off-by-one shift in x86_64 __addr_ok() af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
access.redhat.com af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
Security Advisory SA55082 - Gentoo update for xen - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
oss-security - Xen Security Advisory 4 (CVE-2011-2901) - Xen 3.3 vaddr validation af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
Red Hat Customer Portal MITRE access.redhat.com
Red Hat Customer Portal MITRE access.redhat.com
access.redhat.com | CVE-2011-2901 MITRE access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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