CVE-2023-52602 jfs: fix slab-out-of-bounds Read in dtSearch
A slab-out-of-bounds read in the JFS filesystem allows attackers to cause a denial of service via crafted filesystem images.
- 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-2023-52602?
CVE-2023-52602 is a high-severity memory corruption 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 slab-out-of-bounds Read in dtSearch
Currently while searching for current page in the sorted entry table of the page there is a out of bound access. Added a bound check to fix the error.
Dave: Set return code to -EIO
Weakness: CWE-400
Which versions are affected by CVE-2023-52602?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2023-52602?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-52602 being exploited?
There is no known exploitation of CVE-2023-52602 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2023-52602, DEBIAN-CVE-2023-52602, GHSA-vp26-rmj2-hj2c, UBUNTU-CVE-2023-52602.