CVE-2023-52601 jfs: fix array-index-out-of-bounds in dbAdjTree
A missing bounds check in the JFS filesystem allows an attacker to cause a kernel crash via an out-of-bounds array access.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-52601?
CVE-2023-52601 is a high-severity vulnerability in Debian Debian Linux, published on 6 Mar 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
jfs: fix array-index-out-of-bounds in dbAdjTree
Currently there is a bound check missing in the dbAdjTree while accessing the dmt_stree. To add the required check added the bool is_ctl which is required to determine the size as suggest in the following commit. https://lore.kernel.org/linux-kernel-mentees/[email protected]/
Weakness: CWE-129
Which versions are affected by CVE-2023-52601?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2023-52601?
Apply the vendor's patch.
Is CVE-2023-52601 being exploited?
There is no known exploitation of CVE-2023-52601 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-53031, AZL-53117, BELL-CVE-2023-52601, DEBIAN-CVE-2023-52601, GHSA-vr4m-r8hq-rpgr, UBUNTU-CVE-2023-52601.