Linux · Linux Kernel · CVE-2011-2521
**Name of the Vulnerable Software and Affected Versions**
Linux kernel versions prior to 2.6.39
**Description**
The issue is related to the x86 assign hw event function in the Performance Events subsystem, which does not properly calculate counter values. This allows local users to cause a denial of service, resulting in a system panic, via the perf program.
**Recommendations**
For versions prior to 2.6.39, update to version 2.6.39 or later to resolve the issue.