CVE-2021-26348

MEDIUM

AMD EPYC 7003 Series Firmware < milanpi-sp3_1.0.0.7 - Unauthorized Memory Write via IOMMU TLB Flush Failure

Title source: llm
STIX 2.1

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 (1)

Core 1
Core References

Scores

CVSS v3 5.5
EPSS 0.0013
EPSS Percentile 32.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Details

Status published
Products (23)
amd/epyc_72f3_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7313_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7313p_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7343_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7373x_firmware < milanpi-sp3_1.0.0.7
amd/epyc_73f3_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7413_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7443_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7443p_firmware < milanpi-sp3_1.0.0.7
amd/epyc_7453_firmware < milanpi-sp3_1.0.0.7
... and 13 more
Published May 11, 2022
Tracked Since Feb 18, 2026