{"id":"CVE-2026-98066","state":"PUBLISHED","title":"ALSA: caiaq: Fix potential double-free at error path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: caiaq: Fix potential double-free at error path\n\nThe fix for caiaq driver's resource management to handle the errors\ntries to release the resources in a common destructor call, but as a\nsashiko review for another patch suggested, some of the audio\nresources such as URBs have been already freed, and this may lead to a\ndouble-free.\n\nFor addressing the double-free, call the common destructor function\nfrom each place, and assure that the resource pointers get cleared.","publishedAt":"2026-09-25T10:24:08.999Z","updatedAt":"2026-10-19T09:13:15.973Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"da938aa9fc7826901921dcea225948ab21a97e45","status":"affected","lessThan":"ddfff1cec52b7deec6c770ba85de4dab6221d0a2","versionType":"git"},{"version":"09616e25f502080ba684fc7fcf959d1376ab756d","status":"affected","lessThan":"da93fd9002d980bb02b729c5d5aeefeb252dd110","versionType":"git"},{"version":"b956e48371f2ff72b76be9a829800ecec963bd45","status":"affected","lessThan":"b6cd6f1664a0bc8038b9baa7e6f5fe8e4142d056","versionType":"git"},{"version":"f537e3ad69609f6924a4db6b4a7f6561f5288bdd","status":"affected","lessThan":"75b20534d7a37e091db585f8b505a3b77b7e81a8","versionType":"git"},{"version":"6251e3e256337a30160ef59ab1580dde4d1acd28","status":"affected","lessThan":"2883d65a3d9a8d9a682cdb003e6ab7fb28bb17f8","versionType":"git"},{"version":"e59ecd4ee3a450db6cb4e4ecaa3efdd593f80056","status":"affected","lessThan":"1dd715ca0568e4833ed5878f49b028b449941096","versionType":"git"},{"version":"28abd224db4a49560b452115bca3672a20e45b2f","status":"affected","lessThan":"b629ae7b3eddc6812d5af3614b8c1bd76d65fa75","versionType":"git"},{"version":"28abd224db4a49560b452115bca3672a20e45b2f","status":"affected","lessThan":"3b26ceef88c110f4d188387cffa0df78657be904","versionType":"git"},{"version":"096dd8519cf2f768e9e14f224b627f7aaee1a9c5","status":"affected","versionType":"git"},{"version":"5.10.258","status":"affected","lessThan":"5.10.271","versionType":"semver"},{"version":"5.15.209","status":"affected","lessThan":"5.15.222","versionType":"semver"},{"version":"6.1.175","status":"affected","lessThan":"6.1.189","versionType":"semver"},{"version":"6.6.140","status":"affected","lessThan":"6.6.158","versionType":"semver"},{"version":"6.12.86","status":"affected","lessThan":"6.12.111","versionType":"semver"},{"version":"6.18.27","status":"affected","lessThan":"6.18.53","versionType":"semver"},{"version":"7.0.4","status":"affected","lessThan":"7.1","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/usb/caiaq/audio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","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":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/usb/caiaq/audio.c"]}],"references":["https://git.kernel.org/stable/c/ddfff1cec52b7deec6c770ba85de4dab6221d0a2","https://git.kernel.org/stable/c/da93fd9002d980bb02b729c5d5aeefeb252dd110","https://git.kernel.org/stable/c/b6cd6f1664a0bc8038b9baa7e6f5fe8e4142d056","https://git.kernel.org/stable/c/75b20534d7a37e091db585f8b505a3b77b7e81a8","https://git.kernel.org/stable/c/2883d65a3d9a8d9a682cdb003e6ab7fb28bb17f8","https://git.kernel.org/stable/c/1dd715ca0568e4833ed5878f49b028b449941096","https://git.kernel.org/stable/c/b629ae7b3eddc6812d5af3614b8c1bd76d65fa75","https://git.kernel.org/stable/c/3b26ceef88c110f4d188387cffa0df78657be904"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98066.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98066","state":"PUBLISHED","datePublished":"2026-09-25T10:24:08.999Z","dateUpdated":"2026-10-19T09:13:15.973Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:19:56.073Z"},"containers":{"cna":{"title":"ALSA: caiaq: Fix potential double-free at error path","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: caiaq: Fix potential double-free at error path\n\nThe fix for caiaq driver's resource management to handle the errors\ntries to release the resources in a common destructor call, but as a\nsashiko review for another patch suggested, some of the audio\nresources such as URBs have been already freed, and this may lead to a\ndouble-free.\n\nFor addressing the double-free, call the common destructor function\nfrom each place, and assure that the resource pointers get cleared."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"da938aa9fc7826901921dcea225948ab21a97e45","status":"affected","lessThan":"ddfff1cec52b7deec6c770ba85de4dab6221d0a2","versionType":"git"},{"version":"09616e25f502080ba684fc7fcf959d1376ab756d","status":"affected","lessThan":"da93fd9002d980bb02b729c5d5aeefeb252dd110","versionType":"git"},{"version":"b956e48371f2ff72b76be9a829800ecec963bd45","status":"affected","lessThan":"b6cd6f1664a0bc8038b9baa7e6f5fe8e4142d056","versionType":"git"},{"version":"f537e3ad69609f6924a4db6b4a7f6561f5288bdd","status":"affected","lessThan":"75b20534d7a37e091db585f8b505a3b77b7e81a8","versionType":"git"},{"version":"6251e3e256337a30160ef59ab1580dde4d1acd28","status":"affected","lessThan":"2883d65a3d9a8d9a682cdb003e6ab7fb28bb17f8","versionType":"git"},{"version":"e59ecd4ee3a450db6cb4e4ecaa3efdd593f80056","status":"affected","lessThan":"1dd715ca0568e4833ed5878f49b028b449941096","versionType":"git"},{"version":"28abd224db4a49560b452115bca3672a20e45b2f","status":"affected","lessThan":"b629ae7b3eddc6812d5af3614b8c1bd76d65fa75","versionType":"git"},{"version":"28abd224db4a49560b452115bca3672a20e45b2f","status":"affected","lessThan":"3b26ceef88c110f4d188387cffa0df78657be904","versionType":"git"},{"version":"096dd8519cf2f768e9e14f224b627f7aaee1a9c5","status":"affected","versionType":"git"},{"version":"5.10.258","status":"affected","lessThan":"5.10.271","versionType":"semver"},{"version":"5.15.209","status":"affected","lessThan":"5.15.222","versionType":"semver"},{"version":"6.1.175","status":"affected","lessThan":"6.1.189","versionType":"semver"},{"version":"6.6.140","status":"affected","lessThan":"6.6.158","versionType":"semver"},{"version":"6.12.86","status":"affected","lessThan":"6.12.111","versionType":"semver"},{"version":"6.18.27","status":"affected","lessThan":"6.18.53","versionType":"semver"},{"version":"7.0.4","status":"affected","lessThan":"7.1","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/usb/caiaq/audio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","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":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/usb/caiaq/audio.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/ddfff1cec52b7deec6c770ba85de4dab6221d0a2"},{"url":"https://git.kernel.org/stable/c/da93fd9002d980bb02b729c5d5aeefeb252dd110"},{"url":"https://git.kernel.org/stable/c/b6cd6f1664a0bc8038b9baa7e6f5fe8e4142d056"},{"url":"https://git.kernel.org/stable/c/75b20534d7a37e091db585f8b505a3b77b7e81a8"},{"url":"https://git.kernel.org/stable/c/2883d65a3d9a8d9a682cdb003e6ab7fb28bb17f8"},{"url":"https://git.kernel.org/stable/c/1dd715ca0568e4833ed5878f49b028b449941096"},{"url":"https://git.kernel.org/stable/c/b629ae7b3eddc6812d5af3614b8c1bd76d65fa75"},{"url":"https://git.kernel.org/stable/c/3b26ceef88c110f4d188387cffa0df78657be904"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:13:15.973Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.258","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.209","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.175","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.140","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.86","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18.27","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*: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