Vulnerability-Lookup

GHSA-23V5-VGF6-5452

Vulnerability from github – Published: 2026-05-01 15:30 – Updated: 2026-05-07 03:31

Details

In the Linux kernel, the following vulnerability has been resolved:

ALSA: ctxfi: Fix missing SPDIFI1 index handling

SPDIF1 DAIO type isn't properly handled in daio_device_index() for hw20k2, and it returned -EINVAL, which ended up with the out-of-bounds array access. Follow the hw20k1 pattern and return the proper index for this type, too.

Severity

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-31776"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-129"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-01T15:16:40Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-23v5-vgf6-5452",
  "modified": "2026-05-07T03:31:20Z",
  "published": "2026-05-01T15:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31776"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/28222e13666b5d26bf66563c056069ed32f87b33"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/57698f184e1afbe054b3cd30e2c43a67c11d7f5e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5b39985303a639b159dea306a032c08ef22f029d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/950decf59d4e978b60a792ce0b3e1555a608f489"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a0b45bdfffce9894b39392d061c14fda24de8b67"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a3b0e5f84058a9c3d0542a71c2b3a7801e4ee26a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b045ab3dff97edae6d538eeff900a34c098761f8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c8859675f1cf92fe2eb25ef525440702140a0b55"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-31776 (GCVE-0-2026-31776)

Vulnerability from cvelistv5 – Published: 2026-05-01 14:15 – Updated: 2026-05-11 22:15

Title

ALSA: ctxfi: Fix missing SPDIFI1 index handling

Summary

In the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Fix missing SPDIFI1 index handling SPDIF1 DAIO type isn't properly handled in daio_device_index() for hw20k2, and it returned -EINVAL, which ended up with the out-of-bounds array access. Follow the hw20k1 pattern and return the proper index for this type, too.

Severity

No CVSS data available.

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6992 records in the last 180 days details

References

2 references

URL	Tags
https://git.kernel.org/stable/c/950decf59d4e978b6…
https://git.kernel.org/stable/c/b045ab3dff97edae6…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: a2dbaeb5c61ef110ceefe0d48fe94d428d3bcf16 , < 950decf59d4e978b60a792ce0b3e1555a608f489 (git) Affected: a2dbaeb5c61ef110ceefe0d48fe94d428d3bcf16 , < b045ab3dff97edae6d538eeff900a34c098761f8 (git)
Linux	Linux	Affected: 6.19 Unaffected: 0 , < 6.19 (semver) Unaffected: 6.19.12 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

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{
  "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": "2026-05-11T22:15:35.385Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "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",
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        "engine": "bippy-1.2.0"
      }
    }
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  "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": "2026-05-11T22:15:35.385Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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