{"id":"CVE-2025-40097","state":"PUBLISHED","title":"ALSA: hda: Fix missing pointer check in hda_component_manager_init function","description":"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(-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.","publishedAt":"2025-10-30T09:48:04.567Z","updatedAt":"2026-10-03T10:55:28.438Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ae7abe36e352eddf8e30d3b1ea3fb402514ba13b","status":"affected","lessThan":"b044aa6ae63391ba40c93ca5d476d276cb17db1b","versionType":"git"},{"version":"ae7abe36e352eddf8e30d3b1ea3fb402514ba13b","status":"affected","lessThan":"1c3f4b15eb1850558d7d4da74b98cffbb8121721","versionType":"git"},{"version":"ae7abe36e352eddf8e30d3b1ea3fb402514ba13b","status":"affected","lessThan":"218a8504e62fc2c8a1fd12523346b7a2b9bd2474","versionType":"git"},{"version":"ae7abe36e352eddf8e30d3b1ea3fb402514ba13b","status":"affected","lessThan":"47d1b9ca923b55c3f407788f1f15b04957e0e027","versionType":"git"},{"version":"ae7abe36e352eddf8e30d3b1ea3fb402514ba13b","status":"affected","lessThan":"1cf11d80db5df805b538c942269e05a65bcaf5bc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/hda/codecs/side-codecs/hda_component.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.59","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.5","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/hda/codecs/side-codecs/hda_component.c"]}],"references":["https://git.kernel.org/stable/c/b044aa6ae63391ba40c93ca5d476d276cb17db1b","https://git.kernel.org/stable/c/1c3f4b15eb1850558d7d4da74b98cffbb8121721","https://git.kernel.org/stable/c/218a8504e62fc2c8a1fd12523346b7a2b9bd2474","https://git.kernel.org/stable/c/47d1b9ca923b55c3f407788f1f15b04957e0e027","https://git.kernel.org/stable/c/1cf11d80db5df805b538c942269e05a65bcaf5bc"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40097.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40097","state":"PUBLISHED","datePublished":"2025-10-30T09:48:04.567Z","dateUpdated":"2026-10-03T10:55:28.438Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.163Z"},"containers":{"cna":{"title":"ALSA: hda: Fix missing pointer check in hda_component_manager_init function","descriptions":[{"lang":"en","value":"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(-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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ae7abe36e352eddf8e30d3b1ea3fb402514ba13b","status":"affected","lessThan":"b044aa6ae63391ba40c93ca5d476d276cb17db1b","versionType":"git"},{"version":"ae7abe36e352eddf8e30d3b1ea3fb402514ba13b","status":"affected","lessThan":"1c3f4b15eb1850558d7d4da74b98cffbb8121721","versionType":"git"},{"version":"ae7abe36e352eddf8e30d3b1ea3fb402514ba13b","status":"affected","lessThan":"218a8504e62fc2c8a1fd12523346b7a2b9bd2474","versionType":"git"},{"version":"ae7abe36e352eddf8e30d3b1ea3fb402514ba13b","status":"affected","lessThan":"47d1b9ca923b55c3f407788f1f15b04957e0e027","versionType":"git"},{"version":"ae7abe36e352eddf8e30d3b1ea3fb402514ba13b","status":"affected","lessThan":"1cf11d80db5df805b538c942269e05a65bcaf5bc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/hda/codecs/side-codecs/hda_component.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.59","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.5","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/hda/codecs/side-codecs/hda_component.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b044aa6ae63391ba40c93ca5d476d276cb17db1b"},{"url":"https://git.kernel.org/stable/c/1c3f4b15eb1850558d7d4da74b98cffbb8121721"},{"url":"https://git.kernel.org/stable/c/218a8504e62fc2c8a1fd12523346b7a2b9bd2474"},{"url":"https://git.kernel.org/stable/c/47d1b9ca923b55c3f407788f1f15b04957e0e027"},{"url":"https://git.kernel.org/stable/c/1cf11d80db5df805b538c942269e05a65bcaf5bc"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-03T10:55:28.438Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.12.59"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.17.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}