{"id":"CVE-2025-40097","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: Fix missing pointer check in hda_component_manager_init function\n\nThe __component_match_add function may assign the 'matchptr' pointer\nthe value ERR_PTR(-ENO…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: Fix missing pointer check in hda_component_manager_init function\n\nThe __component_match_add function may assign the 'matchptr' pointer\nthe value ERR_PTR(-ENO…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= ae7abe36e352eddf8e30d3b1ea3fb402514ba13b < b044aa6ae63391ba40c93ca5d476d276cb17db1b","Linux >= ae7abe36e352eddf8e30d3b1ea3fb402514ba13b < 1c3f4b15eb1850558d7d4da74b98cffbb8121721","Linux >= ae7abe36e352eddf8e30d3b1ea3fb402514ba13b < 218a8504e62fc2c8a1fd12523346b7a2b9bd2474","Linux >= ae7abe36e352eddf8e30d3b1ea3fb402514ba13b < 47d1b9ca923b55c3f407788f1f15b04957e0e027","Linux >= ae7abe36e352eddf8e30d3b1ea3fb402514ba13b < 1cf11d80db5df805b538c942269e05a65bcaf5bc","Linux 5.17"],"published":"2025-10-30","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:33.030","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-40097","references":[{"url":"https://git.kernel.org/stable/c/1c3f4b15eb1850558d7d4da74b98cffbb8121721","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1cf11d80db5df805b538c942269e05a65bcaf5bc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/218a8504e62fc2c8a1fd12523346b7a2b9bd2474","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/47d1b9ca923b55c3f407788f1f15b04957e0e027","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b044aa6ae63391ba40c93ca5d476d276cb17db1b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00197,"epssPercentile":0.08493,"ingestedAt":"2026-10-03T11:43:42.110Z","slug":"CVE-2025-40097","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: Fix missing pointer check in hda_component_manager_init function\n\nThe __component_match_add function may assign the 'matchptr' pointer\nthe value ERR_PTR(-ENOMEM), which will subsequently be dereferenced.\n\nThe call stack leading to the error looks like this:\n\nhda_component_manager_init\n|-> component_match_add\n    |-> component_match_add_release\n        |-> __component_match_add ( ... ,**matchptr, ... )\n            |-> *matchptr = ERR_PTR(-ENOMEM);       // assign\n|-> component_master_add_with_match( ...  match)\n    |-> component_match_realloc(match, match->num); // dereference\n\nAdd IS_ERR() check to prevent the crash.\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":[]}