CVE-2021-26368

MEDIUM

AMD Ryzen 3/5/5300/5600/5700/5800/5900/5950 Firmware - Denial of Service via Trusted OS Process Type Check Bypass

Title source: llm
STIX 2.1

Description

Insufficient check of the process type in Trusted OS (TOS) may allow an attacker with privileges to enable a lesser privileged process to unmap memory owned by a higher privileged process resulting in a denial of service.

References (1)

Core 1
Core References

Scores

CVSS v3 4.4
EPSS 0.0002
EPSS Percentile 6.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-345
Status published
Products (50)
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
amd/ryzen_3_5400u_firmware
amd/ryzen_3_5425c_firmware
amd/ryzen_3_5425u_firmware
amd/ryzen_5300g_firmware
... and 40 more
Published May 12, 2022
Tracked Since Feb 18, 2026