CVE-2026-53349 netfilter: nf_conntrack: destroy stale expectfn expectations on unregister

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/netfilter/nf_conntrack_helper.h",
      "net/ipv4/netfilter/nf_nat_h323.c",
      "net/netfilter/nf_conntrack_helper.c",
      "net/netfilter/nf_nat_core.c",
      "net/netfilter/nf_nat_sip.c"
    ],
    "versions": [
      {
        "version": "f587de0e2feb9eb9b94f98d0a7b7437e4d6617b4",
        "lessThan": "fbfde85308b99938a6092c48753214d190ece48d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f587de0e2feb9eb9b94f98d0a7b7437e4d6617b4",
        "lessThan": "29d8cc44bbdf7b83a1929912214afe6643c1b4f1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f587de0e2feb9eb9b94f98d0a7b7437e4d6617b4",
        "lessThan": "f92c90a2a3e6ff6f9f7fe88fde9004b4ca8f956d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f587de0e2feb9eb9b94f98d0a7b7437e4d6617b4",
        "lessThan": "9d017671dcfcec23321fb7962dea624f9e71ddb1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f587de0e2feb9eb9b94f98d0a7b7437e4d6617b4",
        "lessThan": "bf8c0b5dd203be94c2ad50e264cec19267c6bd39",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f587de0e2feb9eb9b94f98d0a7b7437e4d6617b4",
        "lessThan": "c3009418f9fa1dcb3eb86f4d8c92583537b5faa3",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/netfilter/nf_conntrack_helper.h",
      "net/ipv4/netfilter/nf_nat_h323.c",
      "net/netfilter/nf_conntrack_helper.c",
      "net/netfilter/nf_nat_core.c",
      "net/netfilter/nf_nat_sip.c"
    ],
    "versions": [
      {
        "version": "2.6.20",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.20",
        "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": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]