CVE-2011-2521

N/A Unknown
Published: May 24, 2012 Modified: April 29, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
Source: secalert@redhat.com
Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e
Source: secalert@redhat.com
http://www.openwall.com/lists/oss-security/2011/07/06/4
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=719228
Source: secalert@redhat.com
Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e
Source: secalert@redhat.com
Patch Third Party Advisory
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2011/07/06/4
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=719228
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.4%
31th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-189

Affected Vendors

linux

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