Vulnerability in Amd 3rd Gen Epyc

CVE-2021-26328

Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.

EPSS: 0.002 (8.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Weakness classification (CWE)

CWE-358

References

psirt@amd.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-26328?: CVE-2021-26328 is a medium-severity vulnerability in Amd 3rd Gen Epyc, classified under CWE-358. CVSS score: 4.4/10. Published 2023-01-11.
How severe is CVE-2021-26328?: Medium severity. CVSS v3 base score is 4.4 out of 10.