CVE-2023-53533 Input: raspberrypi-ts - fix refcount leak in rpi_ts_probe
A refcount leak in the Raspberry Pi touchscreen driver can lead to resource exhaustion and denial of service.
- 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-2023-53533?
CVE-2023-53533 is a medium-severity vulnerability in Linux kernel, published on 4 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: raspberrypi-ts - fix refcount leak in rpi_ts_probe
rpi_firmware_get() take reference, we need to release it in error paths as well. Use devm_rpi_firmware_get() helper to handling the resources. Also remove the existing rpi_firmware_put().
Which versions are affected by CVE-2023-53533?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-53533?
Apply the vendor's patch.
Is CVE-2023-53533 being exploited?
There is no known exploitation of CVE-2023-53533 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-53533, DEBIAN-CVE-2023-53533, GHSA-v6gv-hpqc-pwrv, UBUNTU-CVE-2023-53533.