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.

Bugs

• <https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2521&gt;