Headline
CVE-2011-2521: security - Re: CVE request: kernel: perf, x86: fix Intel fixed counters base initialization
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.
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