CVE-2014-3125

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Summary

CVECVE-2014-3125
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-05-02 14:55:07 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionXen 4.4.x, when running on an ARM system, does not properly context switch the CNTKCTL_EL1 register, which allows local guest users to modify the hardware timers and cause a denial of service (crash) via unspecified vectors.

Risk And Classification

Primary CVSS: v2.0 6.2 from [email protected]

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

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Xen Xen 4.4.0 All All All
Operating System Xen Xen 4.4.0 rc1 All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Xen CNTKCTL_EL1 Context Switching Flaw Lets Local Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
XSA-91 - Xen Security Advisories af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Patch, Vendor Advisory
Security Advisory SA58347 - Xen ARM CNTKCTL_EL1 Register Handling Denial of Service Vulnerability - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
oss-security - Re: Xen Security Advisory 91 - Hardware timer context is not properly context switched on ARM af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
oss-security - Xen Security Advisory 91 - Hardware timer context is not properly context switched on ARM af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
Xen ARM 'CNTKCTL_EL1' Register Local Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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