CVE-2017-12168

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).

Score

CVSS 3.1 6.0 Medium

Status

Modified - secalert@redhat.com

Published

2017-09-20

Last modified

2024-08-05

Weaknesses

CWE-617

Affected products

• Linux Kernel (Linux)

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