{"id":"CVE-2017-12168","details":"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).","modified":"2026-03-15T14:24:19.629569Z","published":"2017-09-20T08:29:00.210Z","references":[{"type":"ADVISORY","url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1492984"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.8.10"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12168.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H"}]}