CVE-2011-2521

MediumCVSS 4.9/10Last modified Jun 16, 2026

Description

The x86_assign_hw_event function in arch/x86/kernel/cpu/perf_event.c in the Performance Events subsystem in the Linux kernel before 2.6.39 does not properly calculate counter values, which allows local users to cause a denial of service (panic) via the perf program.

Metrics

CVSS 2.0 4.9/10AV:L/AC:L/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-189

Affected software

No affected versions have been published.

Timeline

Published: May 24, 2012
Last modified: Jun 16, 2026
NVD status: Modified

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