Vulnerability · Published Nov 16, 2021 · Assigned by AMD
CVE-2021-26336
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 12% of all known vulnerabilities).
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 87.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and subsequent failure to service any further requests from other components.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | Ryzen™ Series | various |
| AMD | Athlon™ Series | various |