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CVE-2017-12168

CVE-2017-12168

EPSS 0.4%CWE-617
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
n/a · Linux kernel before 4.9

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References
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9https://bugzilla.redhat.com/show_bug.cgi?id=1492984https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11