CVE-2025-39755 staging: gpib: Fix cb7210 pcmcia Oops
A null pointer dereference in the Linux kernel's gpib staging driver causes a system crash when registering a PCMCIA driver.
- 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-2025-39755?
CVE-2025-39755 is a medium-severity vulnerability in Linux kernel, published on 18 Apr 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:
staging: gpib: Fix cb7210 pcmcia Oops
The pcmcia_driver struct was still only using the old .name initialization in the drv field. This led to a NULL pointer deref Oops in strcmp called from pcmcia_register_driver.
Initialize the pcmcia_driver struct name field.
Weakness: CWE-476
Which versions are affected by CVE-2025-39755?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-39755?
Apply the vendor's patch.
Is CVE-2025-39755 being exploited?
There is no known exploitation of CVE-2025-39755 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-39755, GHSA-ph83-p4wj-c47p, UBUNTU-CVE-2025-39755.