CVE-2024-56596 jfs: fix array-index-out-of-bounds in jfs_readdir

High 7.8 Published Updated

A local attacker can cause a denial of service in the Linux kernel by exploiting an array index out-of-bounds error in the JFS filesystem.

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-2024-56596?

CVE-2024-56596 is a high-severity vulnerability in Linux kernel, published on 27 Dec 2024. 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

In the Linux kernel, the following vulnerability has been resolved:

jfs: fix array-index-out-of-bounds in jfs_readdir

The stbl might contain some invalid values. Added a check to return error code in that case.

Weakness: CWE-129

Which versions are affected by CVE-2024-56596?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-56596?

Apply the vendor's patch.

Is CVE-2024-56596 being exploited?

There is no known exploitation of CVE-2024-56596 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-56596, DEBIAN-CVE-2024-56596, GHSA-p6p2-g83c-783v, UBUNTU-CVE-2024-56596.

Is CVE-2024-56596 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free