Vulnerability · Published May 11, 2022 · Assigned by AMD
CVE-2021-26388
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
Improper validation of the BIOS directory may allow for searches to read beyond the directory table copy in RAM, exposing out of bounds memory contents, resulting in a potential denial of service.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | EPYC™ Processors | various |
| AMD | Ryzen™ Series | various |
| AMD | Athlon™ Series | various |