Medium severity6.0NVD Advisory· Published Sep 20, 2017· Updated Jun 17, 2026

CVE-2017-12168

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).

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: <=4.8.10
- (no CPE)range: <4.8.11

Patches

Vulnerability mechanics

References

git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdIssue TrackingPatchThird Party Advisory
bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9nvdIssue TrackingPatchThird Party Advisory
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11nvdRelease NotesVendor Advisory

News mentions

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cvss	0.390
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000