CVE-2011-2521

Published: May 24, 2012Modified: Apr 29, 2026

4.9

Vector

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

Exploitability: 3.9 / Impact: 6.9

Source: 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.

Affected (1)

Products: Linux: Linux Kernel

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Before 2.6.39

Related CWEs

References (10)

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 ListThird Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=719228

Source: secalert@redhat.com

Issue TrackingThird Party Advisory

https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e

Source: secalert@redhat.com

PatchThird 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 ListThird Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=719228

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingThird Party Advisory

https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

Timeline

No history available yet.