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Numeric Errors

CVE-2011-2521

Medium
4.9/10

Summary

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.

  • LOW
  • LOCAL
  • NONE
  • NONE
  • NONE
  • COMPLETE

CWE-189 - Numeric Errors

Weaknesses in this category are related to improper calculation or conversion of numbers.

References

Advisory Timeline

  • Published