CVE-2021-26401: amd a10-9600p_firmware
Vulnerability summary
CVE-2021-26401 is a medium (CVSS 5.6) vulnerability in amd a10-9600p_firmware. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 21.9% of scored vulnerabilities.
Not severe (CVSS 5.6, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 19 · Related 15Timeline
- 11-03-2022PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.
CVSS metrics
7 scores · 5 sources · 3 versions- OSV · AlpineEcosystem advisory · calculated5.6MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
- OSV · Red hatEcosystem advisory · calculated4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated5.6MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.6MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.29% 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.
Amd126 products
Ubuntu70 products
- linuxAll versions (No fix recorded) | < 4.4.0-239.273 | < 4.15.0-177.186 | < 5.4.0-110.124
- linux-aws< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1128.137 | < 5.4.0-1073.78
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13< 5.13.0-1023.25~20.04.1
Redhat2 products
- kernel< 0:2.6.32-754.49.1.el6
- kernel-abi-whitelists< 0:2.6.32-754.49.1.el6
Alpine1 product
- xen< 4.15.2-r2
Debian1 product
- linux< 5.16.12-1
5 vendors · 200 products · Showing 200 of 217
References
18 links- www.amd.com/en/corporate/product-security/bulletin/amd-sb-1036X Refsource MISCARTICLEREPORTVendor Advisory
- www.openwall.com/lists/oss-security/2022/03/18/2Mailing ListX Refsource MLISTREPORTThird Party Advisory
