Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2011-2521

Published: May 24, 2012 | Modified: Feb 13, 2023
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
4.9 MEDIUM
AV:L/AC:L/Au:N/C:N/I:N/A:C
RedHat/V2
4.9 MODERATE
AV:L/AC:L/Au:N/C:N/I:N/A:C
RedHat/V3
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2011-2521
CWEhttps://cwe.mitre.org/data/definitions/189.html

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.

Affected Software

Name Vendor Start Version End Version
Linux_kernel Linux * 2.6.39 (excluding)
Red Hat Enterprise Linux 6 RedHat kernel-0:2.6.32-131.17.1.el6 *
Linux Ubuntu upstream *
Linux-ec2 Ubuntu maverick *
Linux-ec2 Ubuntu upstream *
Linux-fsl-imx51 Ubuntu upstream *
Linux-lts-backport-maverick Ubuntu upstream *
Linux-lts-backport-natty Ubuntu upstream *
Linux-mvl-dove Ubuntu upstream *
Linux-ti-omap4 Ubuntu upstream *

References

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