CVE-2021-26352

MEDIUM

AMD Ryzen and Threadripper Firmware - Denial of Service via SMU PCIe Hot Plug Table

Title source: llm
STIX 2.1

Description

Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space 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-119
Status published
Products (30)
amd/ryzen_3_5300g_firmware
amd/ryzen_3_5300ge_firmware
amd/ryzen_5_2600_firmware
amd/ryzen_5_2600x_firmware
amd/ryzen_5_2700_firmware
amd/ryzen_5_2700x_firmware
amd/ryzen_5_3600_firmware
amd/ryzen_5_3600x_firmware
amd/ryzen_5_5600g_firmware
amd/ryzen_5_5600ge_firmware
... and 20 more
Published May 10, 2022
Tracked Since Feb 18, 2026