Answer in brief
CVE-2021-39298 records a Medium severity (CVSS 6.5) vulnerability in CVE Program Container. The current sources do not mark it as known exploited. The current feed maps AMD/2nd Gen EPYC (generic), AMD/3rd Gen EPYC (generic), AMD/Ryzen 2000 Series (generic), AMD/Ryzen 3000 Series (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps AMD/2nd Gen EPYC (generic), AMD/3rd Gen EPYC (generic), AMD/Ryzen 2000 Series (generic), AMD/Ryzen 3000 Series (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| AMD/2nd Gen EPYCgeneric | Various | Not reported |
| AMD/3rd Gen EPYCgeneric | various | Not reported |
| AMD/Ryzen 2000 Seriesgeneric | various | Not reported |
| AMD/Ryzen 3000 Seriesgeneric | Various | Not reported |
| AMD/Ryzen 5000 Seriesgeneric | various | Not reported |
Published upstream
Feb 16, 2022
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 7, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 7, 2026
A potential vulnerability in AMD System Management Mode (SMM) interrupt handler may allow an attacker with high privileges to access the SMM resulting in arbitrary code execution which could be used by malicious actors to bypass security mechanisms provided in the UEFI firmware.
Quoted source text, attributed separately from HOL analysis.