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CVE-2018-19965

Severity Medium
Score 5.6/10

Summary

An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation.

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

References

Advisory Timeline

  • Published