cpe:/o:linux:linux_kernel:4.13.5 CVE-2017-12188 2017-10-11T11:29:00.180-04:00 2018-03-07T21:29:00.533-05:00 6.9 LOCAL MEDIUM NONE COMPLETE COMPLETE COMPLETE http://nvd.nist.gov BID 101267 REDHAT RHSA-2018:0395 REDHAT RHSA-2018:0412 CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1500380 CONFIRM https://patchwork.kernel.org/patch/9996579/ CONFIRM https://patchwork.kernel.org/patch/9996587/ 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."