CVE-2024-50211 udf: refactor inode_bmap() to handle error
A missing error check in the Linux kernel UDF filesystem can lead to a null pointer dereference and system crash.
- 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-2024-50211?
CVE-2024-50211 is a high-severity vulnerability in Linux kernel, published on 8 Nov 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:
udf: refactor inode_bmap() to handle error
Refactor inode_bmap() to handle error since udf_next_aext() can return error now. On situations like ftruncate, udf_extend_file() can now detect errors and bail out early without resorting to checking for particular offsets and assuming internal behavior of these functions.
Which versions are affected by CVE-2024-50211?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-50211?
Apply the vendor's patch.
Is CVE-2024-50211 being exploited?
There is no known exploitation of CVE-2024-50211 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-53283, AZL-53367, BELL-CVE-2024-50211, DEBIAN-CVE-2024-50211, GHSA-qgch-26fj-87r3, ROOT-OS-UBUNTU-2204-CVE-2024-50211 and 1 more.