CVE-2025-38130

Description

In the Linux kernel, the following vulnerability has been resolved:drm/connector: only call HDMI audio helper plugged cb if non-nullOn driver remove, sound/soc/codecs/hdmi-codec.c calls the plugged_cbwith null as the callback function and codec_dev, as seen in itshdmi_remove function.The HDMI audio helper then happily tries calling said null functionpointer, and produces an Oops as a result.Fix this by only executing the callback if fn is non-null. This meansthe .plugged_cb and .plugged_cb_dev members still get appropriatelycleared.

Risk Information

Base Score

5.5

MODERATE

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

0.02

Associated Vulnerability

No records found

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234