CVE-2011-2521
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.
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)
- CWE
- CWE-189
- Published
- Modified
- Record from
- the NVD, synced
Affected
- linux:linux_kernel
References
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e
- http://www.openwall.com/lists/oss-security/2011/07/06/4
- https://bugzilla.redhat.com/show_bug.cgi?id=719228
- https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e