CVE-2023-54289 scsi: qedf: Fix NULL dereference in error handling
A NULL pointer dereference in the Linux kernel qedf driver allows local attackers to cause a system crash via error handling paths.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-54289?
CVE-2023-54289 is a vulnerability in Linux, published on 30 Dec 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:
scsi: qedf: Fix NULL dereference in error handling
Smatch reported:
drivers/scsi/qedf/qedf_main.c:3056 qedf_alloc_global_queues() warn: missing unwind goto?
At this point in the function, nothing has been allocated so we can return directly. In particular the "qedf->global_queues" have not been allocated so calling qedf_free_global_queues() will lead to a NULL dereference when we check if (!gl[i]) and "gl" is NULL.
Which versions are affected by CVE-2023-54289?
How do I fix CVE-2023-54289?
Apply the vendor's patch.
Is CVE-2023-54289 being exploited?
There is no known exploitation of CVE-2023-54289 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2023-54289, DEBIAN-CVE-2023-54289, GHSA-qw59-8j4j-9xwf, UBUNTU-CVE-2023-54289.