ISOMAN

CVE

CVE-2018-12904

In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.

Severity
MEDIUM
CVSS
4.9
Published
Modified

Linked Releases

References

  1. http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=727ba748e110b4de50d142edca9d6a9b7e6111d8
  2. https://bugs.chromium.org/p/project-zero/issues/detail?id=1589
  3. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.2
  4. https://github.com/torvalds/linux/commit/727ba748e110b4de50d142edca9d6a9b7e6111d8
  5. https://usn.ubuntu.com/3752-1/
  6. https://usn.ubuntu.com/3752-2/
  7. https://usn.ubuntu.com/3752-3/
  8. https://www.exploit-db.com/exploits/44944/
  9. http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=727ba748e110b4de50d142edca9d6a9b7e6111d8
  10. https://bugs.chromium.org/p/project-zero/issues/detail?id=1589
  11. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.2
  12. https://github.com/torvalds/linux/commit/727ba748e110b4de50d142edca9d6a9b7e6111d8
  13. https://usn.ubuntu.com/3752-1/
  14. https://usn.ubuntu.com/3752-2/
  15. https://usn.ubuntu.com/3752-3/
  16. https://www.exploit-db.com/exploits/44944/