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CVE-2026-64189 netfilter: ipset: fix race between dump and ip_set_list resize

🗓️ 20 Jul 2026 16:27:47Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 58 Views

CVE-2026-64189: fix race between ipset dump and ip_set_list resize; protect array load with rcu_read_lock.

Related
Affected
Refs
[
  {
    "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_core.c"
    ],
    "versions": [
      {
        "version": "8a02bdd50b2ecb6d62121d2958d3ea186cc88ce7",
        "lessThan": "a7a299277959683204d73333c32c092fd69327d4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a02bdd50b2ecb6d62121d2958d3ea186cc88ce7",
        "lessThan": "1bc67c3fc98e9fc07032cc56afcdbc690c47d11e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a02bdd50b2ecb6d62121d2958d3ea186cc88ce7",
        "lessThan": "e8a9976b61f1bc4aa7fd25fa26726dfdf2adf710",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a02bdd50b2ecb6d62121d2958d3ea186cc88ce7",
        "lessThan": "96fbafc20ebd9a613736c2998b89c539fe3042f5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a02bdd50b2ecb6d62121d2958d3ea186cc88ce7",
        "lessThan": "ff86ea9b7fdf70564e60436fbee68c96bc459943",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a02bdd50b2ecb6d62121d2958d3ea186cc88ce7",
        "lessThan": "81d54c766337b923eec26da0a13406760b091093",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a02bdd50b2ecb6d62121d2958d3ea186cc88ce7",
        "lessThan": "e8ee198bbc04a32d336e79160fde980e0235b39f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a02bdd50b2ecb6d62121d2958d3ea186cc88ce7",
        "lessThan": "7cd9103283b26b917360ec99d7d2f2d761bcf1ab",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2f6bf7917f55f9dae913193e49672b3598620eab",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4.19.5",
        "lessThan": "4.20",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "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_core.c"
    ],
    "versions": [
      {
        "version": "4.20",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.20",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "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": "6.12.96",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 04:51Current
CVSS 3.17.8
EPSS0.00097
58