CVE-2024-21980

HIGH

SNP firmware - Memory Corruption

Title source: llm
STIX 2.1

Description

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.

Exploits (1)

nomisec WORKING POC 8 stars
by Freax13 · poc
https://github.com/Freax13/cve-2024-21980-poc

References (1)

Scores

CVSS v3 7.9
EPSS 0.0233
EPSS Percentile 84.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-787
Status published
Products (50)
amd/epyc_7203_firmware < milanpi_1.0.0.d
amd/epyc_7203p_firmware < milanpi_1.0.0.d
amd/epyc_72f3_firmware < milanpi_1.0.0.d
amd/epyc_7303_firmware < milanpi_1.0.0.d
amd/epyc_7303p_firmware < milanpi_1.0.0.d
amd/epyc_7313_firmware < milanpi_1.0.0.d
amd/epyc_7313p_firmware < milanpi_1.0.0.d
amd/epyc_7343_firmware < milanpi_1.0.0.d
amd/epyc_7373x_firmware < milanpi_1.0.0.d
amd/epyc_73f3_firmware < milanpi_1.0.0.d
... and 40 more
Published Aug 05, 2024
Tracked Since Feb 18, 2026