CVE-2021-26326

HIGH

AMD EPYC Firmware - Memory Integrity Loss via VM_HSAVE_PA Validation Failure

Title source: llm
STIX 2.1

Description

Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.

References (1)

Scores

CVSS v3 7.8
EPSS 0.0013
EPSS Percentile 31.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-665
Status published
Products (20)
amd/epyc_7232p_firmware < romepi-sp3_1.0.0.c
amd/epyc_72f3_firmware < milanpi-sp3_1.0.0.4
amd/epyc_7313_firmware < milanpi-sp3_1.0.0.4
amd/epyc_7313p_firmware < milanpi-sp3_1.0.0.4
amd/epyc_7343_firmware < milanpi-sp3_1.0.0.4
amd/epyc_73f3_firmware < milanpi-sp3_1.0.0.4
amd/epyc_7413_firmware < milanpi-sp3_1.0.0.4
amd/epyc_7443_firmware < milanpi-sp3_1.0.0.4
amd/epyc_7443p_firmware < milanpi-sp3_1.0.0.4
amd/epyc_7453_firmware < milanpi-sp3_1.0.0.4
... and 10 more
Published Nov 16, 2021
Tracked Since Feb 18, 2026