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CVE-2017-12188

Published: Oct 11, 2017

Modified: Aug 5, 2024

PUBLISHED

Description

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."

Vendor	Product	Versions
n/a	Linux kernel	affected `Linux kernel`

Weaknesses (CWE)

References

vendor-advisory

x_refsource_REDHAT

vendor-advisory

x_refsource_REDHAT

https://patchwork.kernel.org/patch/9996587/

x_refsource_CONFIRM

https://patchwork.kernel.org/patch/9996579/

x_refsource_CONFIRM

vdb-entry

x_refsource_BID

https://bugzilla.redhat.com/show_bug.cgi?id=1500380

x_refsource_CONFIRM

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