CVE-2017-12168: Linux Kernel

Medium severity, CVSS 6.0. EPSS: 0.4% chance of exploitation in the next 30 days.

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).

Affected products

• Linux Linux Kernel: up to and including 4.8.10

Published 2017-09-20. Last modified 2026-06-17.