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

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-16 · updated 2026-10-19

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.

Affected products

Linux kernel: 5.15 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

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

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