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CVE-2026-74642 ALSA: usb: Fix UAF at delayed release of MIDI2 EPs

🗓️ 22 Aug 2026 15:32:20Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

Use-After-Free in Linux kernel ALSA USB due to delayed release of MIDI2 endpoints.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "sound/usb/midi2.c"
    ],
    "versions": [
      {
        "version": "49eccef6d6e1c00dac6fb2e7eb6f9206c33e1c37",
        "lessThan": "d431941825d357be7d9ab0cb7505e3a1963bd89e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a7a33b846d6ba695891b8d0040027cdbad8cd52",
        "lessThan": "422d8a02de5ce6a29d616d55e5ead5dec69ac1d7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cc014ebf803174f0e5d15956dfc5a38413c945ae",
        "lessThan": "d217d723c5e43881b952cdb978477f7f2dc0b6d7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ae388c0e1bf727972096f770f82d12e4f748d1b6",
        "lessThan": "f9d492a39ebeb1a56f13ec6dd165a18a48dec812",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4a05b2d1b4642df74f30b6f54843e825c4a2bfd3",
        "lessThan": "f8a80cfb68613fb7e6452b66447dbc63f435d140",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "sound/usb/midi2.c"
    ],
    "versions": [
      {
        "version": "6.6.151",
        "lessThan": "6.6.152",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.103",
        "lessThan": "6.12.104",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThan": "6.18.45",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThan": "7.1.9",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

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