How severe is CVE-2021-26342?

This vulnerability has a severity rating of LOW with a CVSS score of 3.3 out of 10.

What type of vulnerability is CVE-2021-26342?

This is classified as NVD-CWE-Other, which is a common weakness in software security.

CVE-2021-26342 - LOW Severity | CVSS 3.3

Vulnerability Description

In SEV guest VMs, the CPU may fail to flush the Translation Lookaside Buffer (TLB) following a particular sequence of operations that includes creation of a new virtual machine control block (VMCB). The failure to flush the TLB may cause the microcode to use stale TLB translations which may allow for disclosure of SEV guest memory contents. Users of SEV-ES/SEV-SNP guest VMs are not impacted by this vulnerability.

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