CVE-2026-53000 netfilter: nat: use kfree_rcu to release ops

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/netfilter/iptable_nat.c",
      "net/ipv6/netfilter/ip6table_nat.c",
      "net/netfilter/nf_nat_core.c"
    ],
    "versions": [
      {
        "version": "e2cf17d3774c323ef6dab6e9f7c0cfc5e742afd9",
        "lessThan": "32fdd2e38e7435a368d88f5977a7d6585ebc8b0e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2cf17d3774c323ef6dab6e9f7c0cfc5e742afd9",
        "lessThan": "3c7511f38ab511b791196b13ae48bf4973bf7dfd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2cf17d3774c323ef6dab6e9f7c0cfc5e742afd9",
        "lessThan": "6eda0d771f94267f73f57c94630aa47e90957915",
        "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/ipv4/netfilter/iptable_nat.c",
      "net/ipv6/netfilter/ip6table_nat.c",
      "net/netfilter/nf_nat_core.c"
    ],
    "versions": [
      {
        "version": "5.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]