CVE-2024-40964
kernel: ALSA: hda: cs35l41: Possible null pointer dereference in cs35l41_hda_unbind()
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 12, 2024
Updated · November 21, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
ALSA: hda: cs35l41: Possible null pointer dereference in cs35l41_hda_unbind()
The cs35l41_hda_unbind() function clears the hda_component entry matching it's index and then dereferences the codec pointer held in the first element of the hda_component array, this is an issue when the device index was 0.
Instead use the codec pointer stashed in the cs35l41_hda structure as it will still be valid.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference