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CVE-2009-2847

Medium
4.9/10

Summary

The do_sigaltstack function in kernel/signal.c in Linux kernel 2.4 through 2.4.37 and 2.6 before 2.6.31-rc5, when running on 64-bit systems, does not clear certain padding bytes from a structure, which allows local users to obtain sensitive information from the kernel stack via the sigaltstack function.

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

References

Advisory Timeline

  • Published