CVE-2024-33656 Memory Leak in SmmComuptrace Module
Local attackers can leak memory in AMI AptioV firmware, potentially leading to privilege escalation and arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-33656?
CVE-2024-33656 is a high-severity vulnerability in AMI AptioV, published on 21 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The DXE module SmmComputrace contains a vulnerability that allows local attackers to leak stack or global memory. This could lead to privilege escalation, arbitrary code execution, and bypassing OS security mechanisms
Weakness: CWE-269
Which versions are affected by CVE-2024-33656?
It affects 1 product.
Products include Ami Aptio V.
How do I fix CVE-2024-33656?
No fix has been published for CVE-2024-33656 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-33656 being exploited?
There is no known exploitation of CVE-2024-33656 in the wild and no public exploit code.
Other vulnerabilities in AMI AptioV
- CVE-2022-40250 Stack overflow vulnerability in SMI handler on SmmSmbiosElog.
- CVE-2025-33045 Legacy Serial Redirection SMRAM Vulnerabilities
- CVE-2022-26873 Memory corruption in Aptio
- CVE-2022-40261 SMM memory corruption vulnerability in OverClockSmiHandler SMM driver
- CVE-2022-40262 The arbitrary write vulnerability in S3Resume2Pei leads to arbitrary code execution during PEI phase.
Sources
Also known as GHSA-fm2v-78x9-f367.