CVE-2026-64340 USB: legousbtower: fix use-after-free on disconnect race

🗓️ 25 Jul 2026 08:50:03Reported by LinuxType

In the Linux kernel, the following vulnerability has been resolved: USB: legousbtower: fix use-after-free on disconnect race mutex_unlock() may access the mutex structure after releasing the lockand therefore cannot be used to manage lifetime of o...

Reporter	Title	Published	Views	Family All 6
CVE	CVE-2026-64340	25 Jul 202608:50	–	cve
Debian CVE	CVE-2026-64340	25 Jul 202608:50	–	debiancve
EUVD	EUVD-2026-48884	25 Jul 202608:50	–	euvd
NVD	CVE-2026-64340	25 Jul 202610:17	–	nvd
OSV	DEBIAN-CVE-2026-64340	25 Jul 202616:48	–	osv
Positive Technologies	PT-2026-64561	25 Jul 202600:00	–	ptsecurity

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/usb/misc/legousbtower.c"
    ],
    "versions": [
      {
        "version": "18bcbcfe9ca2308ebffb40068b51803da9315d97",
        "lessThan": "11d069f85851997b4ea0adf242ed9672dc749b8f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18bcbcfe9ca2308ebffb40068b51803da9315d97",
        "lessThan": "b4222c05066b252b451f9c8c4730b5b60824ea66",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18bcbcfe9ca2308ebffb40068b51803da9315d97",
        "lessThan": "6462de75d2e370c7e74dcfb7b4ae79eb5a6a55ee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18bcbcfe9ca2308ebffb40068b51803da9315d97",
        "lessThan": "0b57e5ddbd89df3bc367463de3d2ca66f99a1a5e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18bcbcfe9ca2308ebffb40068b51803da9315d97",
        "lessThan": "ab2bfd7bec4f134b377ec42f513e90c35db94160",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18bcbcfe9ca2308ebffb40068b51803da9315d97",
        "lessThan": "766738ecf2b819e54d38763c8d1c8ae6cff14b39",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18bcbcfe9ca2308ebffb40068b51803da9315d97",
        "lessThan": "9ba62966461a8e3cc593b62c56ec62eb2d80436d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18bcbcfe9ca2308ebffb40068b51803da9315d97",
        "lessThan": "62fc8eb1b1481051f7bab4aa93d79809053dd09f",
        "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/misc/legousbtower.c"
    ],
    "versions": [
      {
        "version": "2.6.25",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.25",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.96",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/b4222c05066b252b451f9c8c4730b5b60824ea66
git	www.git.kernel.org/stable/c/11d069f85851997b4ea0adf242ed9672dc749b8f
git	www.git.kernel.org/stable/c/0b57e5ddbd89df3bc367463de3d2ca66f99a1a5e
git	www.git.kernel.org/stable/c/62fc8eb1b1481051f7bab4aa93d79809053dd09f
git	www.git.kernel.org/stable/c/ab2bfd7bec4f134b377ec42f513e90c35db94160
git	www.git.kernel.org/stable/c/766738ecf2b819e54d38763c8d1c8ae6cff14b39
git	www.git.kernel.org/stable/c/6462de75d2e370c7e74dcfb7b4ae79eb5a6a55ee
git	www.git.kernel.org/stable/c/9ba62966461a8e3cc593b62c56ec62eb2d80436d

25 Jul 2026 08:50Current

EPSS0.0022