CVE-2025-68345: ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()

Published Dec 24, 2025
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41hdareadacpi()

The acpigetfirstphysicalnode() function can return NULL, in which case the getdevice() function also returns NULL, but this value is then dereferenced without checking,so add a check to prevent a crash.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected Software

2 affected components
Linux Linux kernel
Microsoft azl3 kernel 6.6.117.1-1

Event History

Dec 24, 2025
CVE Published
via MITRE·10:32 AM
Data Sourced
via MITRE·10:32 AM
Description
Data Sourced
via NVD·11:15 AM
Description
Dec 25, 2025
Data Sourced
via Microsoft·01:03 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-68345?

CVE-2025-68345 has been rated as a high severity vulnerability due to the potential for NULL pointer dereferences leading to unexpected behavior.

2

How do I fix CVE-2025-68345?

To resolve CVE-2025-68345, update the Linux kernel to the latest stable version where the vulnerability has been patched.

3

What versions of the Linux kernel are affected by CVE-2025-68345?

CVE-2025-68345 affects several versions of the Linux kernel prior to the release containing the patch.

4

What impact does CVE-2025-68345 have on system stability?

CVE-2025-68345 can lead to system instability and potential crashes due to NULL pointer dereferences.

5

Is CVE-2025-68345 actively being exploited?

As of now, there are no confirmed reports of active exploitation of CVE-2025-68345 in the wild.

Contact

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