What’s Vulnerable › Vulnerabilities

CVE-2021-26401

• Severity: medium (CVSS 5.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-11 · updated 2026-06-17

Description

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

Affected products

• AMD A10-9600P Firmware: all versions
• AMD A10-9630P Firmware: all versions
• AMD A12-9700P Firmware: all versions
• AMD A12-9730P Firmware: all versions
• AMD A4-9120 Firmware: all versions
• AMD A6-9210 Firmware: all versions
• AMD A6-9220 Firmware: all versions
• AMD A6-9220C Firmware: all versions
• AMD A9-9410 Firmware: all versions
• AMD A9-9420 Firmware: all versions
• AMD Athlon Gold 3150Ge Firmware: all versions
• AMD Athlon Gold 3150U Firmware: all versions
• AMD Athlon Gold 3450G Firmware: all versions
• AMD Athlon Pro 300U Firmware: all versions
• AMD Athlon Silver 3050Ge Firmware: all versions
• AMD Athlon Silver 3050U Firmware: all versions
• AMD Athlon X4 750 Firmware: all versions
• AMD Athlon X4 760K Firmware: all versions
• AMD Athlon X4 830 Firmware: all versions
• AMD Athlon X4 835 Firmware: all versions
• AMD Athlon X4 840 Firmware: all versions
• AMD Athlon X4 845 Firmware: all versions
• AMD Athlon X4 860K Firmware: all versions
• AMD Athlon X4 870K Firmware: all versions
• AMD Athlon X4 880K Firmware: all versions
• AMD Athlon X4 940 Firmware: all versions
• AMD Athlon X4 950 Firmware: all versions
• AMD Athlon X4 970 Firmware: all versions
• AMD Epyc 7232P Firmware: all versions
• AMD Epyc 7251 Firmware: all versions

References

• http://www.openwall.com/lists/oss-security/2022/03/18/2
• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1036
• http://www.openwall.com/lists/oss-security/2022/03/18/2
• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1036

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