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CVE-2026-46170 mptcp: pm: ADD_ADDR rtx: free sk if last

🗓️ 28 May 2026 09:36:25Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

Linux kernel mptcp ADD_ADDR retransmit could leak sk reference; use sock_put and mark timer done to avoid deadlock.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mptcp/pm.c"
    ],
    "versions": [
      {
        "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8",
        "lessThan": "6a3af482188f6db4186d1605f64d911d7330abb3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8",
        "lessThan": "531c537b8fb620beabccfb1594e8d43cbebbb87a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8",
        "lessThan": "b74ad20198652b6b39a761c277ba65ae82b1e107",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8",
        "lessThan": "8143a224785ceaf2b0856e08d4498916f38228fb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8",
        "lessThan": "b7b9a461569734d33d3259d58d2507adfac107ed",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mptcp/pm.c"
    ],
    "versions": [
      {
        "version": "5.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.142",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.92",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.30",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.7",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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14 Jun 2026 17:59Current
EPSS0.00127
33