CVE-2025-38494 HID: core: do not bypass hid_hw_raw_request
A missing validation check in the Linux kernel HID core allows bypassing buffer length checks, potentially leading to undefined behavior or memory issues.
- 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-2025-38494?
CVE-2025-38494 is a high-severity missing authorization 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:
HID: core: do not bypass hid_hw_raw_request
hid_hw_raw_request() is actually useful to ensure the provided buffer and length are valid. Directly calling in the low level transport driver function bypassed those checks and allowed invalid paramto be used.
Which versions are affected by CVE-2025-38494?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2025-38494?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-38494 being exploited?
There is no known exploitation of CVE-2025-38494 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-65913, AZL-75249, BELL-CVE-2025-38494, DEBIAN-CVE-2025-38494, GHSA-9ww5-wgf4-8cfm, ROOT-OS-DEBIAN-11-CVE-2025-38494 and 4 more.