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NULL Pointer Dereference

CVE-2019-12067

Medium
6.5/10

Summary

The "ahci_commit_buf" function in "ide/ahci.c" in QEMU allows attackers to cause a Denial Of Service (NULL dereference) when the command header "ad->cur_cmd" is null. This issue affects qemu versions 2.2.0-rc-0 and after.

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

CWE-476 - NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

References

Advisory Timeline

  • Published