CVE-2021-26351

MEDIUM

AMD Ryzen 3/5/7 Firmware - Denial of Service via Insufficient DRAM Address Validation

Title source: llm
STIX 2.1

Description

Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in denial of service.

References (1)

Core 1
Core References

Scores

CVSS v3 5.5
EPSS 0.0013
EPSS Percentile 31.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (49)
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_5_3400g_firmware
amd/ryzen_5_3450g_firmware
amd/ryzen_5_3600_firmware
... and 39 more
Published May 12, 2022
Tracked Since Feb 18, 2026