{"id":"CVE-2026-31776","title":"ALSA: ctxfi: Fix missing SPDIFI1 index handling","summary":"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…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= a2dbaeb5c61ef110ceefe0d48fe94d428d3bcf16 < 950decf59d4e978b60a792ce0b3e1555a608f489","Linux >= a2dbaeb5c61ef110ceefe0d48fe94d428d3bcf16 < b045ab3dff97edae6d538eeff900a34c098761f8","Linux 6.19"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T15:25:16.777707Z"},"published":"2026-05-01","updated":"2026-11-06","sourceUpdated":"2026-11-06T15:32:25.032Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31776","references":[{"url":"https://git.kernel.org/stable/c/950decf59d4e978b60a792ce0b3e1555a608f489"},{"url":"https://git.kernel.org/stable/c/b045ab3dff97edae6d538eeff900a34c098761f8"}],"tags":["cve.org"],"epss":0.0012,"epssPercentile":0.01877,"ingestedAt":"2026-11-06T15:54:04.046Z","slug":"CVE-2026-31776","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= a2dbaeb5c61ef110ceefe0d48fe94d428d3bcf16 < 950decf59d4e978b60a792ce0b3e1555a608f489`\n- `Linux >= a2dbaeb5c61ef110ceefe0d48fe94d428d3bcf16 < b045ab3dff97edae6d538eeff900a34c098761f8`\n- `Linux 6.19`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}