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CVE-2026-63971 sctp: fix race between sctp_wait_for_connect and peeloff

🗓️ 19 Jul 2026 14:55:57Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Fix race between sctp_wait_for_connect and peeloff in Linux kernel to prevent association migration during wait.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sctp/socket.c"
    ],
    "versions": [
      {
        "version": "668c9beb9020d5834ee9e43c208190a07d2b1928",
        "lessThan": "0e0d5bc76fd4267a71334fcc8f1a5fbcf997845d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "668c9beb9020d5834ee9e43c208190a07d2b1928",
        "lessThan": "bcfeac79af740735ace44008b4a11b8e5add20f5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "668c9beb9020d5834ee9e43c208190a07d2b1928",
        "lessThan": "8e9b56051d24540cfbf39194618708c4a7633549",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "668c9beb9020d5834ee9e43c208190a07d2b1928",
        "lessThan": "634a9af8a26a84d8b0d7b3b643204b344b42d9fb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "668c9beb9020d5834ee9e43c208190a07d2b1928",
        "lessThan": "7d2038d4b80166f7bead8d07eba3b97405816c21",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "668c9beb9020d5834ee9e43c208190a07d2b1928",
        "lessThan": "68667ee4c7dadf7f63167234e2a1af09b3f7874e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "668c9beb9020d5834ee9e43c208190a07d2b1928",
        "lessThan": "6140cfa721451fa6e18e134e709703c2bf34d0fb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "668c9beb9020d5834ee9e43c208190a07d2b1928",
        "lessThan": "f14fe6395a8b3d961a61e138ad7b36ba3626dd4e",
        "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/sctp/socket.c"
    ],
    "versions": [
      {
        "version": "4.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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