CVE-2012-4538

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Summary

CVECVE-2012-4538
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-11-24 20:55:03 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.

Risk And Classification

Primary CVSS: v2.0 4.9 from [email protected]

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

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Xen Xen 4.0.0 All All All
Operating System Xen Xen 4.1.0 All All All
Operating System Xen Xen 4.2.0 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
[security-announce] SUSE-SU-2014:0446-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[security-announce] SUSE-SU-2012:1615-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.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 23 (CVE-2012-4538) - Unhooking empty PAE entries 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
Security Advisory SA51468 - Debian update for xen - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Xen Multiple Denial of Service Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
[Xen-announce] Xen Security Advisory 23 (CVE-2012-4538) - Unhooking empty PAE entries DoS vulnerability af854a3a-2127-422b-91ae-364da2661108 lists.xen.org Vendor Advisory
[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
osvdb.org/87306 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
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 HVMOP_pagetable_dying() Bug Lets Local Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Xen: Multiple vulnerabilities (GLSA 201604-03) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
Debian -- Security Information -- DSA-2582-1 xen af854a3a-2127-422b-91ae-364da2661108 www.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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