FKIE_CVE-2026-52963

Vulnerability from fkie_nvd - Published: 2026-06-24 17:17 - Updated: 2026-06-24 17:17
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Bound MIDI endpoint descriptor scans snd_usbmidi_get_ms_info() validates the internal MIDIStreaming endpoint descriptor size before using baAssocJackID[], but the descriptor walker can still return a class-specific endpoint descriptor whose bLength exceeds the remaining bytes in the endpoint-extra scan. That leaves later flexible-array reads bounded by bLength, but not by the remaining bytes in the endpoint-extra scan. Stop walking when bLength is zero or extends past the remaining endpoint-extra scan.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/09141583bd97f4bbd7358e29fd138fe798467cdb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3d3b2b01a3e73828e201ece96f863e7a3e0cdc6e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/728ab0c72e49ca27185067984cd565425eb69b2e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a0226560540c16717efcceaf15c862cf115b01d3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c59159ce10e75b568cd0d4b29efcb0fb0ddecc94
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c65b137d351e21cbc5630e73ef0eb1e1d75f5b20
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d6854daa67be623860f4e1873fd3d3c275aba4ed
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e2f1260a056eb3215c13c48c5378f3e4112dc3af
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "sound/usb/midi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e2f1260a056eb3215c13c48c5378f3e4112dc3af",
              "status": "affected",
              "version": "5c6cd7021a05a02fcf37f360592d7c18d4d807fb",
              "versionType": "git"
            },
            {
              "lessThan": "c65b137d351e21cbc5630e73ef0eb1e1d75f5b20",
              "status": "affected",
              "version": "5c6cd7021a05a02fcf37f360592d7c18d4d807fb",
              "versionType": "git"
            },
            {
              "lessThan": "728ab0c72e49ca27185067984cd565425eb69b2e",
              "status": "affected",
              "version": "5c6cd7021a05a02fcf37f360592d7c18d4d807fb",
              "versionType": "git"
            },
            {
              "lessThan": "3d3b2b01a3e73828e201ece96f863e7a3e0cdc6e",
              "status": "affected",
              "version": "5c6cd7021a05a02fcf37f360592d7c18d4d807fb",
              "versionType": "git"
            },
            {
              "lessThan": "a0226560540c16717efcceaf15c862cf115b01d3",
              "status": "affected",
              "version": "5c6cd7021a05a02fcf37f360592d7c18d4d807fb",
              "versionType": "git"
            },
            {
              "lessThan": "09141583bd97f4bbd7358e29fd138fe798467cdb",
              "status": "affected",
              "version": "5c6cd7021a05a02fcf37f360592d7c18d4d807fb",
              "versionType": "git"
            },
            {
              "lessThan": "c59159ce10e75b568cd0d4b29efcb0fb0ddecc94",
              "status": "affected",
              "version": "5c6cd7021a05a02fcf37f360592d7c18d4d807fb",
              "versionType": "git"
            },
            {
              "lessThan": "d6854daa67be623860f4e1873fd3d3c275aba4ed",
              "status": "affected",
              "version": "5c6cd7021a05a02fcf37f360592d7c18d4d807fb",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "9e0c71f2f633b0442661966228827d1a33df485f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0868bc5654c07628c421547f0821650a8c2cb8f3",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "78483c1c7741ffa72991d93d19a75bfdcc2cbf57",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "65d95462001c6ccd9bc9499c1fc9a90eca9de496",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "ca767cf0152d18fc299cde85b18d1f46ac21e1ba",
              "versionType": "git"
            },
            {
              "lessThan": "4.5",
              "status": "affected",
              "version": "4.4.238",
              "versionType": "semver"
            },
            {
              "lessThan": "4.10",
              "status": "affected",
              "version": "4.9.238",
              "versionType": "semver"
            },
            {
              "lessThan": "4.15",
              "status": "affected",
              "version": "4.14.200",
              "versionType": "semver"
            },
            {
              "lessThan": "4.20",
              "status": "affected",
              "version": "4.19.149",
              "versionType": "semver"
            },
            {
              "lessThan": "5.5",
              "status": "affected",
              "version": "5.4.69",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "sound/usb/midi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.7"
            },
            {
              "lessThan": "5.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.258",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.209",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.175",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.141",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.91",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.33",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "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: usb-audio: Bound MIDI endpoint descriptor scans\n\nsnd_usbmidi_get_ms_info() validates the internal MIDIStreaming endpoint\ndescriptor size before using baAssocJackID[], but the descriptor walker can\nstill return a class-specific endpoint descriptor whose bLength exceeds the\nremaining bytes in the endpoint-extra scan.\n\nThat leaves later flexible-array reads bounded by bLength, but not by the\nremaining bytes in the endpoint-extra scan.\n\nStop walking when bLength is zero or\nextends past the remaining endpoint-extra scan."
    }
  ],
  "id": "CVE-2026-52963",
  "lastModified": "2026-06-24T17:17:06.650",
  "metrics": {},
  "published": "2026-06-24T17:17:06.650",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/09141583bd97f4bbd7358e29fd138fe798467cdb"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3d3b2b01a3e73828e201ece96f863e7a3e0cdc6e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/728ab0c72e49ca27185067984cd565425eb69b2e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/a0226560540c16717efcceaf15c862cf115b01d3"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c59159ce10e75b568cd0d4b29efcb0fb0ddecc94"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c65b137d351e21cbc5630e73ef0eb1e1d75f5b20"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d6854daa67be623860f4e1873fd3d3c275aba4ed"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e2f1260a056eb3215c13c48c5378f3e4112dc3af"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}


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