Vulnerability · Published May 11, 2022 · Assigned by AMD
CVE-2021-26364
Medium 5.5
In plain English
A medium-severity security flaw in EPYC™ Processors 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 87.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Insufficient bounds checking in an SMU mailbox register could allow an attacker to potentially read outside of the SRAM address range which could result in an exception handling leading to a potential denial of service.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | EPYC™ Processors | various |