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MEDIUM

xen: arm: Hardware timer context is not properly context switched (xsa-91)

Published May 2, 2014

Description

Xen 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.

Affected products

Remediation

Red Hat statement

Not vulnerable. This issue did not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.

Metrics

Weaknesses (1)

References (10)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 2, 2014
Updated Aug 6, 2024
Reserved Apr 29, 2014
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Moderate
Public date Apr 30, 2014