{"id":"CVE-2026-80967","title":"ALSA: pcxhr: initialize mutexes before requesting threaded IRQ","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcxhr: initialize mutexes before requesting threaded IRQ\n\npcxhr_probe() requests pcxhr_threaded_irq() before initializing\nmgr->lock, even though the threaded hand…","severity":"high","cvss":8.4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-909"],"vendor":"Linux","product":"Linux","affected":["Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < 039602d6ddb1febbb0561b30dab04461f78a1319","Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < a5f405adb0229c9cf64eb3d695c333c92e3d3d4f","Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < ede25b7fea0d7487ee8528bf35dc7b9a1cbcd814","Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < c069b3cfd753d6688ea0271c43553631ab38ce10","Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < 7ef9ad82d95dd3c74570d80a689a0570fbc7539e","Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < 7cf280fbef5db6310e1b32074c8c34d1ba459796","Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < 6c97817e20598e5473094e0e38d1f51f1cf4dfff","Linux 3.18"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T19:21:30.969232Z"},"published":"2026-09-11","updated":"2026-10-19","sourceUpdated":"2026-10-19T08:45:52.076Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80967","references":[{"url":"https://git.kernel.org/stable/c/039602d6ddb1febbb0561b30dab04461f78a1319"},{"url":"https://git.kernel.org/stable/c/a5f405adb0229c9cf64eb3d695c333c92e3d3d4f"},{"url":"https://git.kernel.org/stable/c/ede25b7fea0d7487ee8528bf35dc7b9a1cbcd814"},{"url":"https://git.kernel.org/stable/c/c069b3cfd753d6688ea0271c43553631ab38ce10"},{"url":"https://git.kernel.org/stable/c/7ef9ad82d95dd3c74570d80a689a0570fbc7539e"},{"url":"https://git.kernel.org/stable/c/7cf280fbef5db6310e1b32074c8c34d1ba459796"},{"url":"https://git.kernel.org/stable/c/6c97817e20598e5473094e0e38d1f51f1cf4dfff"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80967.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80967"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80967"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80967"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80967.mbox"}],"tags":["cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00185,"epssPercentile":0.08015,"scores":{"cna":8.4,"vendor":5.5},"ingestedAt":"2026-09-14T15:23:07.455Z","slug":"CVE-2026-80967","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcxhr: initialize mutexes before requesting threaded IRQ\n\npcxhr_probe() requests pcxhr_threaded_irq() before initializing\nmgr->lock, even though the threaded handler takes that mutex.\n\nInitialize the manager locks before request_threaded_irq() so an\nearly interrupt cannot run against uninitialized mutex state during\nprobe.\n\n## Affected\n\n- `Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < 039602d6ddb1febbb0561b30dab04461f78a1319`\n- `Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < a5f405adb0229c9cf64eb3d695c333c92e3d3d4f`\n- `Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < ede25b7fea0d7487ee8528bf35dc7b9a1cbcd814`\n- `Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < c069b3cfd753d6688ea0271c43553631ab38ce10`\n- `Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < 7ef9ad82d95dd3c74570d80a689a0570fbc7539e`\n- `Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < 7cf280fbef5db6310e1b32074c8c34d1ba459796`\n- `Linux >= 9bef72bdb26e291d6dffb04768741a0e49582666 < 6c97817e20598e5473094e0e38d1f51f1cf4dfff`\n- `Linux 3.18`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80967.json)","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":46.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":224800,"id":"CVE-2026-80967","ts":1792401552221,"field":"cvss","old":"5.5","new":"8.4"},{"seq":224799,"id":"CVE-2026-80967","ts":1792401552221,"field":"severity","old":"medium","new":"high"},{"seq":224231,"id":"CVE-2026-80967","ts":1792325027947,"field":"cvss","old":"8.4","new":"5.5"},{"seq":224230,"id":"CVE-2026-80967","ts":1792325027947,"field":"severity","old":"high","new":"medium"},{"seq":223332,"id":"CVE-2026-80967","ts":1792180060660,"field":"cvss","old":"5.5","new":"8.4"},{"seq":223331,"id":"CVE-2026-80967","ts":1792180060660,"field":"severity","old":"medium","new":"high"},{"seq":204194,"id":"CVE-2026-80967","ts":1789490239437,"field":"cvss","old":"8.4","new":"5.5"},{"seq":204193,"id":"CVE-2026-80967","ts":1789490239437,"field":"severity","old":"high","new":"medium"},{"seq":183602,"id":"CVE-2026-80967","ts":1789356676061,"field":"cvss","old":"8.4","new":"4.1"},{"seq":183601,"id":"CVE-2026-80967","ts":1789356676061,"field":"severity","old":"high","new":"medium"},{"seq":153150,"id":"CVE-2026-80967","ts":1789285349277,"field":"cvss","old":null,"new":"8.4"},{"seq":153149,"id":"CVE-2026-80967","ts":1789285349277,"field":"severity","old":"none","new":"high"},{"seq":147562,"id":"CVE-2026-80967","ts":1789270211394,"field":"cvss","old":null,"new":"4.1"},{"seq":147561,"id":"CVE-2026-80967","ts":1789270211394,"field":"severity","old":"none","new":"medium"},{"seq":109322,"id":"CVE-2026-80967","ts":1789183731421,"field":"cvss","old":null,"new":"4.1"},{"seq":109321,"id":"CVE-2026-80967","ts":1789183731421,"field":"severity","old":"none","new":"medium"}]}