CVE-2026-72436 netfilter: ipset: Don't use test_bit() in lockless RCU readers in hash types

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/ipset/ip_set_hash_gen.h"
    ],
    "versions": [
      {
        "version": "18f84d41d34fa35d0d64bbaea01fe664553ecc06",
        "lessThan": "c107233d2ff4fd7cef5d02f9124b99194957a710",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18f84d41d34fa35d0d64bbaea01fe664553ecc06",
        "lessThan": "6329d3a9afe715fddda0460cfa46b496d61c2fe0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18f84d41d34fa35d0d64bbaea01fe664553ecc06",
        "lessThan": "7445fe965b7d8756070a40e80f8b73348ccda1d7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18f84d41d34fa35d0d64bbaea01fe664553ecc06",
        "lessThan": "c4d257734e91bfcdc71d41843392dd6400b5bb1b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18f84d41d34fa35d0d64bbaea01fe664553ecc06",
        "lessThan": "3219d74e4536658c937fd878a327257b86ce80dd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18f84d41d34fa35d0d64bbaea01fe664553ecc06",
        "lessThan": "e4b4984e28c16406ecb318444dea4a8bf47def3e",
        "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/netfilter/ipset/ip_set_hash_gen.h"
    ],
    "versions": [
      {
        "version": "4.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.2",
        "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": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]