#VU121621 Improper access control in AMD products - CVE-2025-29943

 

#VU121621 Improper access control in AMD products - CVE-2025-29943

Published: January 16, 2026


Vulnerability identifier: #VU121621
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-29943
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
AMD EPYC 7003
AMD EPYC 8004
AMD EPYC 9004
AMD EPYC 9005
Software vendor:
AMD

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper access control within AMD CPUs. A local user with administrative privileges can modify configuration of the CPU pipeline and corrupt the stack pointer inside an SEV-SNP guest.


Remediation

Install updates from vendor's website.

External links