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Incomplete Cleanup

CVE-2024-21977

Low
3.2/10

Summary

Incomplete cleanup after loading a CPU microcode patch may allow a privileged attacker to degrade the entropy of the RDRAND instruction, potentially resulting in loss of integrity for SEV-SNP guests.

  • LOW
  • LOCAL
  • LOW
  • CHANGED
  • NONE
  • HIGH
  • NONE
  • NONE

CWE-459 - Incomplete Cleanup

The software does not properly "clean up" and remove temporary or supporting resources after they have been used.

References

Advisory Timeline

  • Published