CVE-2021-26401

moderate-risk
Published 2022-03-11

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

Do I need to act?

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0.13% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.6/10 Medium
LOCAL / HIGH complexity

Affected Products (20)

Athlon X4 940 Firmware
Athlon X4 950 Firmware
Athlon X4 970 Firmware
Athlon X4 835 Firmware
Athlon X4 845 Firmware
Athlon X4 830 Firmware
Athlon X4 840 Firmware
Athlon X4 860K Firmware
Athlon X4 870K Firmware
Athlon X4 880K Firmware
Athlon X4 750 Firmware
Athlon X4 760K Firmware

Affected Vendors

Amd

References (4)

Mailing List http://www.openwall.com/lists/oss-security/2022/03/18/2
Vendor Advisory https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1036
Mailing List http://www.openwall.com/lists/oss-security/2022/03/18/2
Vendor Advisory https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1036
47
/ 100
moderate-risk
Severity 15/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 31/34 · Critical