CVE-2017-12168
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2017-12168
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12168.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2017-12168
- Downstream
- Published
- 2017-09-20T08:29:00Z
- Modified
- 2025-08-09T19:01:26Z
- Severity
-
- 6.0 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
The accesspmuevcntr 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).
- References
-
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11
- https://bugzilla.redhat.com/show_bug.cgi?id=1492984
- https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9