CVE-2025-38629 ALSA: usb: scarlett2: Fix missing NULL check
A missing NULL check in the Linux kernel's Scarlett2 USB audio driver can cause a system crash via NULL pointer dereference.
- 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-2025-38629?
CVE-2025-38629 is a medium-severity vulnerability in Linux kernel, published on 22 Aug 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:
ALSA: usb: scarlett2: Fix missing NULL check
scarlett2_input_select_ctl_info() sets up the string arrays allocated via kasprintf(), but it misses NULL checks, which may lead to NULL dereference Oops. Let's add the proper NULL check.
Weakness: CWE-476
Which versions are affected by CVE-2025-38629?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-38629?
Apply the vendor's patch.
Is CVE-2025-38629 being exploited?
There is no known exploitation of CVE-2025-38629 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-38629, GHSA-p42v-9grr-c887, UBUNTU-CVE-2025-38629.