{"id":"CVE-2026-98308","state":"PUBLISHED","title":"ALSA: hda: trace PCM open only after assigning a stream","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: trace PCM open only after assigning a stream\n\nStream assignment can fail when hardware streams are exhausted.\nMove the tracepoint after the NULL check because its payload accesses\nthe assigned stream tag.\n\nDetected by static analysis and reviewed with AI-assisted source auditing.","publishedAt":"2026-10-06T08:46:05.128Z","updatedAt":"2026-10-19T09:17:18.952Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"5a4c974dee03cc46eac43c82f33e34ec94f0b348","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"fba079ea22822248c82c3a999c88676d05b17bda","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"3c6ca6d9342f4a0be7c1413180e11023d13b5cde","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"0a52ba6d3b268bb82f0ec4cb861bc68d252369c0","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"5c89e7965220e85d06ae4c58adb7d7bb6da2440c","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"8477643cb91c9e09ac1b11890eef421ae63e53f7","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"3db8afba2d210b7d80cd5cc6b76d7f46daa9b47a","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"c9e6e5f38bf75276605f1952b22285f5f3abcaff","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/hda/common/controller.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","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":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","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/hda/common/controller.c"]}],"references":["https://git.kernel.org/stable/c/5a4c974dee03cc46eac43c82f33e34ec94f0b348","https://git.kernel.org/stable/c/fba079ea22822248c82c3a999c88676d05b17bda","https://git.kernel.org/stable/c/3c6ca6d9342f4a0be7c1413180e11023d13b5cde","https://git.kernel.org/stable/c/0a52ba6d3b268bb82f0ec4cb861bc68d252369c0","https://git.kernel.org/stable/c/5c89e7965220e85d06ae4c58adb7d7bb6da2440c","https://git.kernel.org/stable/c/8477643cb91c9e09ac1b11890eef421ae63e53f7","https://git.kernel.org/stable/c/3db8afba2d210b7d80cd5cc6b76d7f46daa9b47a","https://git.kernel.org/stable/c/c9e6e5f38bf75276605f1952b22285f5f3abcaff"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98308.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98308","state":"PUBLISHED","datePublished":"2026-10-06T08:46:05.128Z","dateUpdated":"2026-10-19T09:17:18.952Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.338Z"},"containers":{"cna":{"title":"ALSA: hda: trace PCM open only after assigning a stream","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: trace PCM open only after assigning a stream\n\nStream assignment can fail when hardware streams are exhausted.\nMove the tracepoint after the NULL check because its payload accesses\nthe assigned stream tag.\n\nDetected by static analysis and reviewed with AI-assisted source auditing."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"5a4c974dee03cc46eac43c82f33e34ec94f0b348","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"fba079ea22822248c82c3a999c88676d05b17bda","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"3c6ca6d9342f4a0be7c1413180e11023d13b5cde","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"0a52ba6d3b268bb82f0ec4cb861bc68d252369c0","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"5c89e7965220e85d06ae4c58adb7d7bb6da2440c","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"8477643cb91c9e09ac1b11890eef421ae63e53f7","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"3db8afba2d210b7d80cd5cc6b76d7f46daa9b47a","versionType":"git"},{"version":"184865085b88789fc8a355cc16ceff25f82f63ba","status":"affected","lessThan":"c9e6e5f38bf75276605f1952b22285f5f3abcaff","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/hda/common/controller.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","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":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","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/hda/common/controller.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5a4c974dee03cc46eac43c82f33e34ec94f0b348"},{"url":"https://git.kernel.org/stable/c/fba079ea22822248c82c3a999c88676d05b17bda"},{"url":"https://git.kernel.org/stable/c/3c6ca6d9342f4a0be7c1413180e11023d13b5cde"},{"url":"https://git.kernel.org/stable/c/0a52ba6d3b268bb82f0ec4cb861bc68d252369c0"},{"url":"https://git.kernel.org/stable/c/5c89e7965220e85d06ae4c58adb7d7bb6da2440c"},{"url":"https://git.kernel.org/stable/c/8477643cb91c9e09ac1b11890eef421ae63e53f7"},{"url":"https://git.kernel.org/stable/c/3db8afba2d210b7d80cd5cc6b76d7f46daa9b47a"},{"url":"https://git.kernel.org/stable/c/c9e6e5f38bf75276605f1952b22285f5f3abcaff"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:17:18.952Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}