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osvGoogleOSV:USN-5062-1
HistorySep 08, 2021 - 12:51 a.m.

linux, linux-aws, linux-kvm, linux-lts-xenial vulnerability

2021-09-0800:51:35
Google
osv.dev
7

6.8 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

23.7%

Maxim Levitsky discovered that the KVM hypervisor implementation for AMD
processors in the Linux kernel did not properly prevent a guest VM from
enabling AVIC in nested guest VMs. An attacker in a guest VM could use this
to write to portions of the host’s physical memory.