CVE-2025-38474 usb: net: sierra: check for no status endpoint
A missing check for an interrupt input endpoint in the Sierra USB net driver can cause a null pointer dereference, leading to a system crash.
- 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-2025-38474?
CVE-2025-38474 is a medium-severity vulnerability in Debian Debian Linux, published on 28 Jul 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:
usb: net: sierra: check for no status endpoint
The driver checks for having three endpoints and having bulk in and out endpoints, but not that the third endpoint is interrupt input. Rectify the omission.
Which versions are affected by CVE-2025-38474?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2025-38474?
Apply the vendor's patch.
Is CVE-2025-38474 being exploited?
There is no known exploitation of CVE-2025-38474 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-65952, AZL-72974, BELL-CVE-2025-38474, DEBIAN-CVE-2025-38474, GHSA-6787-fm33-h95m, ROOT-OS-DEBIAN-11-CVE-2025-38474 and 4 more.