CVE-2024-52880 Memory corruption in n/a

High 7.9 Published Updated

Attackers can exploit improper input validation in the SecureBootHandler to cause memory corruption, potentially leading to arbitrary code execution or privilege escalation.

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-2024-52880?

CVE-2024-52880 is a high-severity memory corruption vulnerability in n/a, published on 15 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver, SecureBootHandler uses DataSize and VariableNameSize when determining if the data or name are in the buffer, but these are supplied by the caller and therefore cannot be trusted.

Weakness: CWE-20

Which versions are affected by CVE-2024-52880?

It affects 1 product.

Products include Insyde Kernel.

How do I fix CVE-2024-52880?

No fix has been published for CVE-2024-52880 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-52880 being exploited?

There is no known exploitation of CVE-2024-52880 in the wild and no public exploit code.

Sources

Also known as GHSA-4762-7j7m-8cjh.

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