CVE-2023-29934 Null dereference in n/a

Medium 5.5 Published 5 May 2023 Updated 29 Jan 2025

A segmentation fault in the MLIR component of LLVM allows attackers to cause a denial of service via crafted input.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2023-29934?

CVE-2023-29934 is a medium-severity vulnerability in n/a, published on 5 May 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

llvm-project commit 6c01b5c was discovered to contain a segmentation fault via the component mlir::Type::getDialect().

Weakness: CWE-125

Which versions are affected by CVE-2023-29934?

It affects 1 product.

Products include Llvm Llvm.

How do I fix CVE-2023-29934?

Apply the vendor's patch.

Is CVE-2023-29934 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29934 exists.

Sources

Also known as DEBIAN-CVE-2023-29934, GHSA-6mqq-w7mm-xmq8, ROOT-OS-DEBIAN-12-CVE-2023-29934, UBUNTU-CVE-2023-29934.