{"id":"CVE-2025-40098","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_get_acpi_mute_state()\n\nReturn value of a function acpi_evaluate_dsm() is dereferenced  without\nchecking for …","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_get_acpi_mute_state()\n\nReturn value of a function acpi_evaluate_dsm() is dereferenced  without\nchecking for …","severity":"none","published":"2025-10-30","updated":"2026-08-03","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-40098","references":[{"url":"https://git.kernel.org/stable/c/19129a365d2bd019fb60662b36b2655931997f12","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8527bbb33936340525a3504a00932b2f8fd75754","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b518386db2b993d786c431caa9f46ce063c5cb05","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00184,"epssPercentile":0.0821,"ingestedAt":"2026-08-03T10:24:19.710Z","slug":"CVE-2025-40098","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_get_acpi_mute_state()\n\nReturn value of a function acpi_evaluate_dsm() is dereferenced  without\nchecking for NULL, but it is usually checked for this function.\n\nacpi_evaluate_dsm() may return NULL, when acpi_evaluate_object() returns\nacpi_status other than ACPI_SUCCESS, so add a check to prevent the crach.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}