CVE-2021-26317

HIGH

AMD Firmware SMM Protocol Verification - SPI Flash Code Execution

Title source: manual
STIX 2.1

Description

Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution.

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0005
EPSS Percentile 14.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (50)
amd/athlon_3050ge_firmware
amd/athlon_3150g_firmware
amd/athlon_3150ge_firmware
amd/radeon_software
amd/ryzen_3_2200u_firmware
amd/ryzen_3_2300u_firmware
amd/ryzen_3_3100_firmware
amd/ryzen_3_3300g_firmware
amd/ryzen_3_3300x_firmware
amd/ryzen_3_5125c_firmware
... and 40 more
Published May 12, 2022
Tracked Since Feb 18, 2026