CVE-2012-4536

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Summary

CVECVE-2012-4536
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-11-21 23:55:02 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.

Risk And Classification

Primary CVSS: v2.0 2.1 from [email protected]

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

Problem Types: NVD-CWE-noinfo | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Xen Xen 2.2.0 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Xen priq Range Check Flaw Lets Local Guest Administrative Users Deny Service on the Host Operating System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
osvdb.org/87297 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
Security Advisory SA51324 - SUSE update for xen - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Security Advisory SA51352 - SUSE update for libvirt - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
oss-security - Xen Security Advisory 21 (CVE-2012-4536) - pirq range check DoS vulnerability af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
Gentoo Linux Documentation -- Xen: Multiple vulnerabilities af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
[security-announce] SUSE-SU-2012:1487-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[security-announce] openSUSE-SU-2012:1572-1: important: XEN: security an af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Xen Multiple Denial of Service Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
[security-announce] openSUSE-SU-2012:1573-1: important: XEN: security an af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Security Advisory SA51413 - SUSE update for xen - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Security Advisory SA51200 - Xen Multiple Denial of Service Vulnerabilities - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
[security-announce] SUSE-SU-2012:1486-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Security Advisory SA55082 - Gentoo update for xen - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
[Xen-announce] Xen Security Advisory 21 (CVE-2012-4536) - pirq range check DoS vulnerability af854a3a-2127-422b-91ae-364da2661108 lists.xen.org Vendor Advisory
Xen: Multiple vulnerabilities (GLSA 201604-03) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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