CVE-2024-21924 Privilege escalation in AMD EPYC™ 7002 Processors
A ring 0 attacker can exploit an SMM callout vulnerability in AMD firmware to modify boot services and execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-21924?
CVE-2024-21924 is a high-severity vulnerability in AMD EPYC™ 7002 Processors, published on 11 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
SMM callout vulnerability within the AmdPlatformRasSspSmm driver could allow a ring 0 attacker to modify boot services handlers, potentially resulting in arbitrary code execution.
Weakness: CWE-250
Which versions are affected by CVE-2024-21924?
How do I fix CVE-2024-21924?
No fix has been published for CVE-2024-21924 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-21924 being exploited?
There is no known exploitation of CVE-2024-21924 in the wild and no public exploit code.
Sources
Also known as GHSA-g496-2h33-mpvw.