CVE-2021-26312

MEDIUM

AMD Epyc 7601 Firmware - Exposure to Wrong Actor

Title source: rule

Description

Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.

References (2)

Scores

CVSS v3 5.5
EPSS 0.0014
EPSS Percentile 33.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

CWE
CWE-665 CWE-668
Status published

Affected Products (50)

amd/epyc_7601_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7551p_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7551_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7501_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7451_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7401_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7371_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7351p_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7351_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7301_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7281_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7261_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7251_firmware < naplespi-sp3_1.0.0.g
amd/epyc_7f72_firmware < romepi-sp3_1.0.0.c
amd/epyc_7f52_firmware < romepi-sp3_1.0.0.c
... and 35 more

Timeline

Published Nov 16, 2021
Tracked Since Feb 18, 2026