{"id":"CVE-2026-97909","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: sti: initialize IRQ lock before requesting IRQ\n\nuni_reader_init() registers the shared IRQ before initializing\nreader->irq_lock","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: sti: initialize IRQ lock before requesting IRQ\n\nuni_reader_init() registers the shared IRQ before initializing\nreader->irq_lock. A pending interrupt can invoke th…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-908"],"vendor":"Linux","product":"Linux","affected":["Linux >= d05d862ead8eca5e7d4ccf82d39d9189579ee5b1 < 9128265f0fc8031a71775d70786052e5631aac54","Linux >= d05d862ead8eca5e7d4ccf82d39d9189579ee5b1 < 181bb64a1333bbf3c369123d05614536f3ae7b7c","Linux >= d05d862ead8eca5e7d4ccf82d39d9189579ee5b1 < 3a9552d18fc8174bab015bc941ede19452b184b3","Linux >= d05d862ead8eca5e7d4ccf82d39d9189579ee5b1 < 45021eb56211431f0ef44001b7d12cce32d49261","Linux >= d05d862ead8eca5e7d4ccf82d39d9189579ee5b1 < f1e7b74512164314d0550ec5b62e3d40b95b0986","Linux >= d05d862ead8eca5e7d4ccf82d39d9189579ee5b1 < 998ca92f69bc43499705016d02ffaf0663126d57","Linux >= d05d862ead8eca5e7d4ccf82d39d9189579ee5b1 < a42dd4dae4c9191caa017cf54cc40b6bb125be65","Linux >= d05d862ead8eca5e7d4ccf82d39d9189579ee5b1 < 04405aeef4f8d7bcac6dcb1947acafdb4420c2c3","Linux 4.11"],"published":"2026-09-25","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:18:09.177","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97909","references":[{"url":"https://git.kernel.org/stable/c/04405aeef4f8d7bcac6dcb1947acafdb4420c2c3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/181bb64a1333bbf3c369123d05614536f3ae7b7c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3a9552d18fc8174bab015bc941ede19452b184b3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/45021eb56211431f0ef44001b7d12cce32d49261","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9128265f0fc8031a71775d70786052e5631aac54","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/998ca92f69bc43499705016d02ffaf0663126d57","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a42dd4dae4c9191caa017cf54cc40b6bb125be65","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f1e7b74512164314d0550ec5b62e3d40b95b0986","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97909.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-97909"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2541035"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97909"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97909"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97909.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.0021,"epssPercentile":0.11179,"cvssSource":"vendor","ingestedAt":"2026-09-25T11:06:38.892Z","slug":"CVE-2026-97909","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nASoC: sti: initialize IRQ lock before requesting IRQ\n\nuni_reader_init() registers the shared IRQ before initializing\nreader->irq_lock. A pending interrupt can invoke the handler while the\nlock is still uninitialized.\n\nInitialize the lock before registering the IRQ so the interrupt path\nalways sees valid lock state.\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** · Moderate · updated 2026-09-29 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97909.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":213520,"id":"CVE-2026-97909","ts":1790754757479,"field":"cvss","old":null,"new":"5.5"},{"seq":213519,"id":"CVE-2026-97909","ts":1790754757479,"field":"severity","old":"none","new":"medium"}]}