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CVE-2017-12168

Published: Sep 20, 2017

Modified: Aug 5, 2024

PUBLISHED

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).

Vendor	Product	Versions
n/a	Linux kernel before 4.9	affected `Linux kernel before 4.9`

Weaknesses (CWE)

References

https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9

x_refsource_CONFIRM

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11

x_refsource_CONFIRM

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9

x_refsource_CONFIRM

https://bugzilla.redhat.com/show_bug.cgi?id=1492984

x_refsource_CONFIRM

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