{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80967", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.810Z", "datePublished": "2026-09-11T19:42:31.811Z", "dateUpdated": "2026-09-11T19:42:31.811Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-11T19:42:31.811Z"}, "descriptions": [{"lang": "en", "value": "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 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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/pci/pcxhr/pcxhr.c"], "versions": [{"version": "9bef72bdb26e291d6dffb04768741a0e49582666", "lessThan": "c069b3cfd753d6688ea0271c43553631ab38ce10", "status": "affected", "versionType": "git"}, {"version": "9bef72bdb26e291d6dffb04768741a0e49582666", "lessThan": "7ef9ad82d95dd3c74570d80a689a0570fbc7539e", "status": "affected", "versionType": "git"}, {"version": "9bef72bdb26e291d6dffb04768741a0e49582666", "lessThan": "7cf280fbef5db6310e1b32074c8c34d1ba459796", "status": "affected", "versionType": "git"}, {"version": "9bef72bdb26e291d6dffb04768741a0e49582666", "lessThan": "6c97817e20598e5473094e0e38d1f51f1cf4dfff", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/pci/pcxhr/pcxhr.c"], "versions": [{"version": "3.18", "status": "affected"}, {"version": "0", "lessThan": "3.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.109", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18", "versionEndExcluding": "7.3-rc1"}]}]}], "references": [{"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"}], "title": "ALSA: pcxhr: initialize mutexes before requesting threaded IRQ", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["sound/pci/pcxhr/pcxhr.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c069b3cfd753d6688ea0271c43553631ab38ce10", "status": "affected", "version": "9bef72bdb26e291d6dffb04768741a0e49582666", "versionType": "git"}, {"lessThan": "7ef9ad82d95dd3c74570d80a689a0570fbc7539e", "status": "affected", "version": "9bef72bdb26e291d6dffb04768741a0e49582666", "versionType": "git"}, {"lessThan": "7cf280fbef5db6310e1b32074c8c34d1ba459796", "status": "affected", "version": "9bef72bdb26e291d6dffb04768741a0e49582666", "versionType": "git"}, {"lessThan": "6c97817e20598e5473094e0e38d1f51f1cf4dfff", "status": "affected", "version": "9bef72bdb26e291d6dffb04768741a0e49582666", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["sound/pci/pcxhr/pcxhr.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.18"}, {"lessThan": "3.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.109", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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 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."}], "id": "CVE-2026-80967", "lastModified": "2026-09-11T20:19:02.720", "metrics": {}, "published": "2026-09-11T20:19:02.720", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6c97817e20598e5473094e0e38d1f51f1cf4dfff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7cf280fbef5db6310e1b32074c8c34d1ba459796"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7ef9ad82d95dd3c74570d80a689a0570fbc7539e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c069b3cfd753d6688ea0271c43553631ab38ce10"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux Kernel: ALSA pcxhr driver uninitialized mutex can lead to system instability", "id": "2532200", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532200"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-909", "details": ["A flaw was found in the ALSA pcxhr driver within the Linux kernel. The `pcxhr_probe()` function requests a threaded interrupt before properly initializing a critical mutex (`mgr->lock`). This oversight could allow an early interrupt to operate on an uninitialized mutex, potentially leading to system instability or a denial of service (DoS) condition. A local attacker could potentially exploit this to impact system availability."], "name": "CVE-2026-80967", "public_date": "2026-09-11T19:42:31Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80967\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80967\nhttps://git.kernel.org/stable/c/6c97817e20598e5473094e0e38d1f51f1cf4dfff\nhttps://git.kernel.org/stable/c/7cf280fbef5db6310e1b32074c8c34d1ba459796\nhttps://git.kernel.org/stable/c/7ef9ad82d95dd3c74570d80a689a0570fbc7539e\nhttps://git.kernel.org/stable/c/c069b3cfd753d6688ea0271c43553631ab38ce10"], "threat_severity": "Moderate"}

{}