CVE-2024-42248 tty: serial: ma35d1: Add a NULL check for of_node
A missing NULL check in the ma35d1 serial driver can cause a kernel crash when the device tree node is absent, leading to denial of service.
- 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-2024-42248?
CVE-2024-42248 is a medium-severity vulnerability in Linux kernel, published on 7 Aug 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:
tty: serial: ma35d1: Add a NULL check for of_node
The pdev->dev.of_node can be NULL if the "serial" node is absent. Add a NULL check to return an error in such cases.
Weakness: CWE-476
Which versions are affected by CVE-2024-42248?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-42248?
Apply the vendor's patch.
Is CVE-2024-42248 being exploited?
There is no known exploitation of CVE-2024-42248 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-47501, BELL-CVE-2024-42248, DEBIAN-CVE-2024-42248, GHSA-98x8-x9r6-f88w, UBUNTU-CVE-2024-42248.