CVE-2022-3344

Description

A flaw was found in the KVM's AMD nested virtualization (SVM). A malicious L1 guest could purposely fail to intercept the shutdown of a cooperative nested guest (L2), possibly leading to a page fault and kernel panic in the host (L0).

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Third-Party Advisory redhat.com
Affected: n/a Linux kernel
Published at:
Updated at:

References

Link Tags
https://lore.kernel.org/lkml/20221020093055.224317-5-mlevitsk%40redhat.com/T/
https://bugzilla.redhat.com/show_bug.cgi?id=2130278 patch third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2022-3344?
CVE-2022-3344 has been scored as a medium severity vulnerability.
How to fix CVE-2022-3344?
To fix CVE-2022-3344, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-3344 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-3344 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-3344?
CVE-2022-3344 affects n/a Linux kernel.
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