CVE-2025-40098

ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_get_acpi_mute_state()

N/A
Published: October 30, 2025 at 09:48 AM UTC
Updated: October 19, 2026 at 09:10 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_get_acpi_mute_state() Return value of a function acpi_evaluate_dsm() is dereferenced without checking for NULL, but it is usually checked for this function. acpi_evaluate_dsm() may return NULL, when acpi_evaluate_object() returns acpi_status other than ACPI_SUCCESS, so add a check to prevent the crach. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

447106e92a0c86c332d40710436f38f64c322cd66.7
Vendor states this is fixed in 19129a365d2bd019fb60662b36b2655931997f12 (fixed)
Vendor states this is fixed in 8527bbb33936340525a3504a00932b2f8fd75754 (fixed)
Vendor states this is fixed in b518386db2b993d786c431caa9f46ce063c5cb05 (fixed)
Vendor states this is fixed in 6.12.101 (unaffected)
Vendor states this is fixed in 6.17.5 (unaffected)
Vendor states this is fixed in 6.18 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusDEFERRED

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