{"api_version":"1","generated_at":"2026-05-02T12:25:01+00:00","cve":"CVE-2026-31776","urls":{"html":"https://cve.report/CVE-2026-31776","api":"https://cve.report/api/cve/CVE-2026-31776.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31776","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31776"},"summary":{"title":"ALSA: ctxfi: Fix missing SPDIFI1 index handling","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ctxfi: Fix missing SPDIFI1 index handling\n\nSPDIF1 DAIO type isn't properly handled in daio_device_index() for\nhw20k2, and it returned -EINVAL, which ended up with the out-of-bounds\narray access.  Follow the hw20k1 pattern and return the proper index\nfor this type, too.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-01 15:16:40","updated_at":"2026-05-02 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31776","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a2dbaeb5c61ef110ceefe0d48fe94d428d3bcf16 950decf59d4e978b60a792ce0b3e1555a608f489 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a2dbaeb5c61ef110ceefe0d48fe94d428d3bcf16 b045ab3dff97edae6d538eeff900a34c098761f8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.19","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.12 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/pci/ctxfi/ctdaio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"950decf59d4e978b60a792ce0b3e1555a608f489","status":"affected","version":"a2dbaeb5c61ef110ceefe0d48fe94d428d3bcf16","versionType":"git"},{"lessThan":"b045ab3dff97edae6d538eeff900a34c098761f8","status":"affected","version":"a2dbaeb5c61ef110ceefe0d48fe94d428d3bcf16","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/pci/ctxfi/ctdaio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.12","versionStartIncluding":"6.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ctxfi: Fix missing SPDIFI1 index handling\n\nSPDIF1 DAIO type isn't properly handled in daio_device_index() for\nhw20k2, and it returned -EINVAL, which ended up with the out-of-bounds\narray access.  Follow the hw20k1 pattern and return the proper index\nfor this type, too."}],"providerMetadata":{"dateUpdated":"2026-05-02T06:14:25.947Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/950decf59d4e978b60a792ce0b3e1555a608f489"},{"url":"https://git.kernel.org/stable/c/b045ab3dff97edae6d538eeff900a34c098761f8"}],"title":"ALSA: ctxfi: Fix missing SPDIFI1 index handling","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-31776","datePublished":"2026-05-01T14:15:04.423Z","dateReserved":"2026-03-09T15:48:24.140Z","dateUpdated":"2026-05-02T06:14:25.947Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-01 15:16:40","lastModifiedDate":"2026-05-02 07:16:19","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31776","Ordinal":"1","Title":"ALSA: ctxfi: Fix missing SPDIFI1 index handling","CVE":"CVE-2026-31776","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31776","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ctxfi: Fix missing SPDIFI1 index handling\n\nSPDIF1 DAIO type isn't properly handled in daio_device_index() for\nhw20k2, and it returned -EINVAL, which ended up with the out-of-bounds\narray access.  Follow the hw20k1 pattern and return the proper index\nfor this type, too.","Type":"Description","Title":"ALSA: ctxfi: Fix missing SPDIFI1 index handling"}]}}}