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CVE-2026-31758 usb: usbtmc: Flush anchored URBs in usbtmc_release

🗓️ 01 May 2026 14:14:48Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

Resolved: flush anchored USB request blocks in usbtmc_release to prevent use-after-free; call usbtmc_draw_down.

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/class/usbtmc.c"
    ],
    "versions": [
      {
        "version": "4f3c8d6eddc272b386464524235440a418ed2029",
        "lessThan": "959ef329071136e4335b54822fe2f607659b4569",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f3c8d6eddc272b386464524235440a418ed2029",
        "lessThan": "e189d443767f7cd390c52f2e122e1fc41c7562d6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f3c8d6eddc272b386464524235440a418ed2029",
        "lessThan": "7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f3c8d6eddc272b386464524235440a418ed2029",
        "lessThan": "95e09b07e50290254b28b8395509473104518f8c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f3c8d6eddc272b386464524235440a418ed2029",
        "lessThan": "d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f3c8d6eddc272b386464524235440a418ed2029",
        "lessThan": "977b632db51d231dec0bc571089a5c2402674139",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f3c8d6eddc272b386464524235440a418ed2029",
        "lessThan": "d40198de50232e04c14c6e2092e896766c95ea48",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f3c8d6eddc272b386464524235440a418ed2029",
        "lessThan": "8a768552f7a8276fb9e01d49773d2094ace7c8f1",
        "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/class/usbtmc.c"
    ],
    "versions": [
      {
        "version": "4.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.19",
        "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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11 May 2026 22:15Current
CVSS 3.17.8
EPSS0.00126
30