Vulnerability · Published May 11, 2022 · Assigned by AMD
CVE-2021-26400
Medium 4.0
In plain English
A medium-severity security flaw in AMD 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 15% of all known vulnerabilities).
Severity (CVSS NVD)4.0Medium
Exploit odds (30 days)0.2%top 85.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
AMD processors may speculatively re-order load instructions which can result in stale data being observed when multiple processors are operating on shared memory, resulting in potential data leakage.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | AMD Processors | Processor All Supported Processors |