Vulnerability · Published May 11, 2022 · Assigned by AMD
CVE-2021-26378
Medium 5.5
In plain English
A medium-severity security flaw in Athlon™ Series from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 87.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Insufficient bound checks in the System Management Unit (SMU) may result in access to an invalid address space that could result in denial of service.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | EPYC™ Processors | various |
| AMD | Ryzen™ Series | various |
| AMD | Athlon™ Series | various |