CVE-2021-26348: amd epyc_72f3_firmware
Vulnerability summary
CVE-2021-26348 is a medium (CVSS 5.5) vulnerability in amd epyc_72f3_firmware. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 13% 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.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.
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 catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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.
Amd24 products
- epyc_72f3_firmware< milanpi-sp3_1.0.0.7
- epyc_7313_firmware< milanpi-sp3_1.0.0.7
- epyc_7313p_firmware< milanpi-sp3_1.0.0.7
- epyc_7343_firmware< milanpi-sp3_1.0.0.7
- epyc_7373x_firmware< milanpi-sp3_1.0.0.7
1 vendor · 24 products