CVE-2017-12168 | BDVDB-2026-90698 Detail
Linux kernel before 4.9
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).
Impact#
No impact statement in the source data.
Weaknesses#
- CWE-617 assert failure CWE-617
References#
- https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9
- https://bugzilla.redhat.com/show_bug.cgi?id=1492984
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.