CVE-2021-26384

HIGH

AMD Ryzen 7 5700g Firmware - Out-of-Bounds Write

Title source: rule
STIX 2.1

Description

A malformed SMI (System Management Interface) command may allow an attacker to establish a corrupted SMI Trigger Info data structure, potentially leading to out-of-bounds memory reads and writes when triggering an SMI resulting in a potential loss of resources.

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0006
EPSS Percentile 17.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-125 CWE-787
Status published
Products (50)
amd/athlon_gold_3150u_firmware
amd/athlon_silver_3050u_firmware
amd/ryzen_3_2200u_firmware < comboam4v2_pi_1.2.0.6c
amd/ryzen_3_2300u_firmware < comboam4v2_pi_1.2.0.6c
amd/ryzen_3_3200u_firmware
amd/ryzen_3_3250u_firmware
amd/ryzen_3_3300u_firmware
amd/ryzen_3_3350u_firmware
amd/ryzen_3_3450u_firmware
amd/ryzen_3_3500c_firmware
... and 40 more
Published Jul 14, 2022
Tracked Since Feb 18, 2026