Vulnerability Database

300,214

Total vulnerabilities in the database

CVE-2017-12188

arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest virtual address, which allows L1 guest OS users to execute arbitrary code on the host OS or cause a denial of service (incorrect index during page walking, and host OS crash), aka an "MMU potential stack buffer overrun."

  • Published: Oct 11, 2017
  • Updated: Nov 9, 2025
  • CVE: CVE-2017-12188
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.8
  • AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.9
  • AV:L/AC:M/Au:N/C:C/I:C/A:C