説明
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).
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影響を受ける製品
linuxlinux_kernel
参照
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9Issue TrackingPatchThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11Release NotesVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1492984Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9Issue TrackingPatchThird Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9Issue TrackingPatchThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11Release NotesVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1492984Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9Issue TrackingPatchThird Party Advisory