{
  "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\u0027t 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",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-31776",
      "date": "2026-05-04",
      "epss": "0.00018",
      "percentile": "0.04982"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-31776\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-05-01T15:16:40.967\",\"lastModified\":\"2026-05-02T07:16:19.463\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"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\u0027t 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.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/950decf59d4e978b60a792ce0b3e1555a608f489\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b045ab3dff97edae6d538eeff900a34c098761f8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}