Vulnerability · Published May 10, 2022 · Assigned by AMD
CVE-2021-26353
High 7.8
In plain English
A high-severity security flaw in 3rd Gen EPYC from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 80.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Failure to validate inputs in SMM may allow an attacker to create a mishandled error leaving the DRTM UApp in a partially initialized state potentially resulting in loss of memory integrity.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | 3rd Gen EPYC | various |