CVE-2012-4535

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Summary

CVECVE-2012-4535
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-11-21 23:55:02 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionXen 3.4 through 4.2, and possibly earlier versions, allows local guest OS administrators to cause a denial of service (Xen infinite loop and physical CPU consumption) by setting a VCPU with an "inappropriate deadline."

Risk And Classification

Primary CVSS: v2.0 1.9 from [email protected]

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

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Xen Xen 3.4.0 All All All
Operating System Xen Xen 3.4.1 All All All
Operating System Xen Xen 3.4.2 All All All
Operating System Xen Xen 3.4.3 All All All
Operating System Xen Xen 3.4.4 All All All
Operating System Xen Xen 4.0.0 All All All
Operating System Xen Xen 4.0.1 All All All
Operating System Xen Xen 4.0.2 All All All
Operating System Xen Xen 4.0.3 All All All
Operating System Xen Xen 4.0.4 All All All
Operating System Xen Xen 4.1.0 All All All
Operating System Xen Xen 4.1.1 All All All
Operating System Xen Xen 4.1.2 All All All
Operating System Xen Xen 4.1.3 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
Xen Timer Overflow Lets Local Guest Administrative Users Deny Service on the Host System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
oss-security - Xen Security Advisory 20 (CVE-2012-4535) - Timer overflow DoS vulnerability af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
[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
[Xen-announce] Xen Security Advisory 20 (CVE-2012-4535) - Timer overflow DoS vulnerability af854a3a-2127-422b-91ae-364da2661108 lists.xen.org Vendor Advisory
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Gentoo Linux Documentation -- Xen: Multiple vulnerabilities af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
[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
osvdb.org/87298 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
[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-2014:0470-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.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: 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
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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