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CVE-2026-72443 ALSA: usb-audio: Kill MIDI 2.0 URBs before freeing endpoints

🗓️ 15 Aug 2026 05:56:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Linux kernel USB audio MIDI 2.0 free path causes KASAN use-after-free in input_urb_complete when URBs are not killed before endpoint cleanup.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-72443
15 Aug 202600:00
cve
debiancve
Debian CVE
CVE-2026-72443
15 Aug 202600:00
debiancve
euvd
EUVD
EUVD-2026-59342
15 Aug 202605:56
euvd
nvd
NVD
CVE-2026-72443
15 Aug 202606:22
nvd
ptsecurity
Positive Technologies
PT-2026-72631
15 Aug 202600:00
ptsecurity
[
  {
    "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": "d9c99876868c861afd0e9ce2cea407bbc446b3c9",
        "lessThan": "bcdd5a7363bdd287253c406a9c0205f5722058e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d9c99876868c861afd0e9ce2cea407bbc446b3c9",
        "lessThan": "3d961032a6e58fa485b3a4c0fe0f649334d887de",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d9c99876868c861afd0e9ce2cea407bbc446b3c9",
        "lessThan": "4c16176fc11a61b7545464cb47c98b0c8a055fcb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d9c99876868c861afd0e9ce2cea407bbc446b3c9",
        "lessThan": "68286258698e15fe75073fb8d017003f8e493db1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d9c99876868c861afd0e9ce2cea407bbc446b3c9",
        "lessThan": "f199c8a8bdd54296d3458777e70fe82a78bd9817",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "sound/usb/midi2.c"
    ],
    "versions": [
      {
        "version": "6.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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