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CVE-2026-31720 usb: gadget: f_uac1_legacy: validate control request size

🗓️ 01 May 2026 14:14:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 45 Views

Linux kernel usb gadget f_uac1_legacy validates control request size to prevent stack out-of-bounds.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/usb/gadget/function/f_uac1_legacy.c"
    ],
    "versions": [
      {
        "version": "c6994e6f067cf0fc4c6cca3d164018b1150916f8",
        "lessThan": "557d1d4e862eccd0b74cc377b66de3e1e8d49605",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c6994e6f067cf0fc4c6cca3d164018b1150916f8",
        "lessThan": "21b11e8581285c6f10ef43d05df349d445f24273",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c6994e6f067cf0fc4c6cca3d164018b1150916f8",
        "lessThan": "0d41772d98dcaf6c17e875b7d0ea0154ae1191ee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c6994e6f067cf0fc4c6cca3d164018b1150916f8",
        "lessThan": "c6da4fed7537aec19880c24f6c3a95065adb1406",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c6994e6f067cf0fc4c6cca3d164018b1150916f8",
        "lessThan": "be2d32f0c3fe333d14c0a9ca90328dacbc3e06b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c6994e6f067cf0fc4c6cca3d164018b1150916f8",
        "lessThan": "8e5eb1d6e6a3d7bbea9c92132d0cda5793176426",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c6994e6f067cf0fc4c6cca3d164018b1150916f8",
        "lessThan": "26304d124e7f0383f8fe1168b5801a0ac7e16b1c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c6994e6f067cf0fc4c6cca3d164018b1150916f8",
        "lessThan": "6e0e34d85cd46ceb37d16054e97a373a32770f6c",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/usb/gadget/function/f_uac1_legacy.c"
    ],
    "versions": [
      {
        "version": "2.6.31",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.31",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.253",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.168",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.134",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.81",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.22",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.12",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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