CVE-2023-53295 udf: Do not update file length for failed writes to inline files
A flaw in the Linux kernel UDF filesystem allows incorrect file length updates after failed inline writes, potentially leading to data corruption.
- 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-2023-53295?
CVE-2023-53295 is a medium-severity vulnerability in Linux kernel, published on 16 Sep 2025. 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:
udf: Do not update file length for failed writes to inline files
When write to inline file fails (or happens only partly), we still updated length of inline data as if the whole write succeeded. Fix the update of length of inline data to happen only if the write succeeds.
Which versions are affected by CVE-2023-53295?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-53295?
Apply the vendor's patch.
Is CVE-2023-53295 being exploited?
There is no known exploitation of CVE-2023-53295 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-53295, DEBIAN-CVE-2023-53295, GHSA-482h-wv29-vp5r, UBUNTU-CVE-2023-53295.