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CVE-2011-2521

Published: May 24, 2012

Modified: Aug 6, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

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

x_refsource_CONFIRM

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e

x_refsource_CONFIRM

http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39

x_refsource_CONFIRM

[oss-security] 20110706 Re: CVE request: kernel: perf, x86: fix Intel fixed counters base initialization

mailing-list

x_refsource_MLIST

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

x_refsource_CONFIRM

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