CVE-2023-52918 media: pci: cx23885: check cx23885_vdev_init() return
A missing null check in the cx23885 driver can cause a kernel crash, leading to denial of service for Linux systems using this hardware.
- 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-2023-52918?
CVE-2023-52918 is a medium-severity vulnerability in Linux kernel, published on 22 Oct 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:
media: pci: cx23885: check cx23885_vdev_init() return
cx23885_vdev_init() can return a NULL pointer, but that pointer is used in the next line without a check.
Add a NULL pointer check and go to the error unwind if it is NULL.
Weakness: CWE-476
Which versions are affected by CVE-2023-52918?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-52918?
Apply the vendor's patch.
Is CVE-2023-52918 being exploited?
There is no known exploitation of CVE-2023-52918 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-52918, DEBIAN-CVE-2023-52918, GHSA-w4p9-f43v-6347, ROOT-OS-DEBIAN-11-CVE-2023-52918, UBUNTU-CVE-2023-52918.