Name of the Vulnerable Software and Affected Versions KVM versions prior to v5.4.211 Linux Kernel versions v4.19 through v5.4.210

Description The issue concerns a snapshot pre-VM-Enter DEBUGCTL for the !nested run pending case in KVM's nVMX. The actual impact and attack plausibility have not yet been proven.

Recommendations For KVM versions prior to v5.4.211, update to version v5.4.211 or later to resolve the issue. For Linux Kernel versions v4.19 through v5.4.210, update to version v5.4.211 or later to resolve the issue.