CVE-2023-53651 Input: exc3000 - properly stop timer on shutdown
A use-after-free vulnerability in the Linux kernel exc3000 input driver can cause a system crash or Oops during driver unbind or probe failures.
- 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-2023-53651?
CVE-2023-53651 is a high-severity use after free vulnerability in Linux kernel, published on 7 Oct 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:
Input: exc3000 - properly stop timer on shutdown
We need to stop the timer on driver unbind or probe failures, otherwise we get UAF/Oops.
Which versions are affected by CVE-2023-53651?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-53651?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2023-53651 being exploited?
There is no known exploitation of CVE-2023-53651 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-76416, BELL-CVE-2023-53651, DEBIAN-CVE-2023-53651, GHSA-9597-9v22-38m3, ROOT-OS-DEBIAN-11-CVE-2023-53651, ROOT-OS-UBUNTU-2204-CVE-2023-53651 and 1 more.