CVE-2021-26375: amd athlon™ series
Vulnerability summary
CVE-2021-26375 is a medium (CVSS 5.5) vulnerability in amd athlon™ series. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 13.3% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 40 · Related 40Timeline
- 11-05-2022PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
Insufficient General Purpose IO (GPIO) bounds check in System Management Unit (SMU) may result in access/updates from/to invalid address space that could result in denial of service.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.22% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Amd86 products
- athlon™ seriesvarious
- epyc_7232p_firmware< romepi-sp3_1.0.0.d
- epyc_7252_firmware< romepi-sp3_1.0.0.d
- epyc_7262_firmware< romepi-sp3_1.0.0.d
- epyc_7272_firmware< romepi-sp3_1.0.0.d
1 vendor · 86 products