VULNERABILITY INTELLIGENCE

CVE-2017-12168

CVSS score6 MEDIUM
EPSS probability0.42%
CISA KEVNot currently listed
Published2017-09-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Description

The access_pmu_evcntr function in arch/arm64/kvm/sys_regs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service (assertion failure and host OS crash) by accessing the Performance Monitors Cycle Count Register (PMCCNTR).

Weakness classification

  • CWE-617: Reachable Assertion

Primary references