CVE-2026-72078 Input: ims-pcu - validate control endpoint type
A malicious USB device can trigger kernel warnings or undefined behavior in the ims-pcu driver by providing an invalid endpoint type.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-72078?
CVE-2026-72078 is a vulnerability in Linux, published on 15 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In the Linux kernel, the following vulnerability has been resolved:
Input: ims-pcu - validate control endpoint type
The driver currently assumes that the first endpoint of the control interface is an interrupt IN endpoint without verifying it. A malicious device could provide a different endpoint type, which would then be passed to usb_fill_int_urb(), potentially leading to kernel warnings or undefined behavior.
Verify that the control endpoint is an interrupt IN endpoint.
Which versions are affected by CVE-2026-72078?
How do I fix CVE-2026-72078?
Apply the vendor's patch.
Is CVE-2026-72078 being exploited?
There is no known exploitation of CVE-2026-72078 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-72078, DEBIAN-CVE-2026-72078, GHSA-2f5c-jpwh-v8v6, UBUNTU-CVE-2026-72078.