CVE-2024-10934 OpenBSD NFS double-free vulnerability

Critical 9.2 Published 15 Nov 2024 Updated 2 Oct 2025

An attacker can trigger a double-free in OpenBSD's NFS implementation, potentially causing a denial of service or arbitrary code execution.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-10934?

CVE-2024-10934 is a critical use after free vulnerability in Openbsd Openbsd, published on 15 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In OpenBSD 7.5 before errata 008 and OpenBSD 7.4 before errata 021, avoid possible mbuf double free in NFS client and server implementation, do not use uninitialized variable in error handling of NFS server.

Weakness: CWE-457, CWE-415

Which versions are affected by CVE-2024-10934?

It affects 1 product.

Products include Openbsd Openbsd.

How do I fix CVE-2024-10934?

No fix has been published for CVE-2024-10934 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2024-10934 being exploited?

There is no known exploitation of CVE-2024-10934 in the wild and no public exploit code.

All Openbsd Openbsd vulnerabilities

Sources

Also known as GHSA-cx22-p4ff-962q.