Home/CVE/LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.
CVE

CVE-2021-26401

LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.

LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.

MEDIUM · CVSS 5.6 EPSS 0.00131
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
▤

Affected Products & Versions

60
amd athlon x4 940 firmwareall versions
amd athlon x4 950 firmwareall versions
amd athlon x4 970 firmwareall versions
amd athlon x4 835 firmwareall versions
amd athlon x4 845 firmwareall versions
amd athlon x4 830 firmwareall versions
amd athlon x4 840 firmwareall versions
amd athlon x4 860k firmwareall versions
▣

Scoring & Timeline

5.6
MEDIUM · CVSS v3.1 · psirt@amd.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Mar 2022 · 06:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
⚑

Vendor Advisories

23
rhsaRHSA-2022:1988Low
rhsaRHSA-2022:1975Moderate
usnUSN-6014-1
usnUSN-6013-1
usnUSN-6001-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2022/03/18/2Mailing ListThird Party Advisory
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1036Vendor Advisory
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