{"id":"CVE-2026-89980","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: harmony: initialize locks before requesting IRQ\n\nsnd_harmony_create() registers the IRQ before initializing h->lock and\nh->mixer_lock","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: harmony: initialize locks before requesting IRQ\n\nsnd_harmony_create() registers the IRQ before initializing h->lock and\nh->mixer_lock. A pending interrupt can inv…","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","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9af6c9203583655cb7ed45e52e14101652b37547","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f86ff9238b0c8284909e073a681a60708b9f36ab","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7dc239edb6d58e01c9ec868565cc03e7adf91747","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9347588bbd6ad43a85e17046d9c117a41453c52a","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 89992bda7dfbba7ded2ba4185730453c57fa65bc","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cd209eb3136e002becbda232e399fa31a2276436","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 33abb7491e89285a41565670945293dda841afc4","Linux 2.6.12"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T15:18:22.193","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89980","references":[{"url":"https://git.kernel.org/stable/c/33abb7491e89285a41565670945293dda841afc4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7dc239edb6d58e01c9ec868565cc03e7adf91747","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/89992bda7dfbba7ded2ba4185730453c57fa65bc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9347588bbd6ad43a85e17046d9c117a41453c52a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9af6c9203583655cb7ed45e52e14101652b37547","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cd209eb3136e002becbda232e399fa31a2276436","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f86ff9238b0c8284909e073a681a60708b9f36ab","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.952Z","epss":0.0018,"epssPercentile":0.07825,"slug":"CVE-2026-89980","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nALSA: harmony: initialize locks before requesting IRQ\n\nsnd_harmony_create() registers the IRQ before initializing h->lock and\nh->mixer_lock. A pending interrupt can invoke the handler while these\nlocks are uninitialized.\n\nInitialize both locks before requesting the IRQ so the handler always\nsees valid lock state.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":46.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":205061,"id":"CVE-2026-89980","ts":1789570705000,"field":"cvss","old":null,"new":"8.4"},{"seq":205060,"id":"CVE-2026-89980","ts":1789570705000,"field":"severity","old":"none","new":"high"}]}