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CVE-2026-53220

🗓️ 25 Jun 2026 08:39:22Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

Fixed netfilter bridge port revalidation to avoid NULL dereference and drop when a bridge port is removed or moved.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-53220 netfilter: revalidate bridge ports
25 Jun 202608:39
cvelist
EUVD
EUVD-2026-39311
25 Jun 202608:39
euvd
NVD
CVE-2026-53220
25 Jun 202609:16
nvd
Vulners
CNA
Node
linuxlinux_kernelRange2.6.366.12.94
OR
linuxlinux_kernelRange6.13.06.18.36
OR
linuxlinux_kernelRange6.19.07.0.13
OR
linuxlinux_kernelRange7.1.0
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bridge/netfilter/ebt_dnat.c",
      "net/bridge/netfilter/ebt_redirect.c",
      "net/netfilter/nfnetlink_log.c",
      "net/netfilter/nfnetlink_queue.c"
    ],
    "versions": [
      {
        "version": "f350a0a87374418635689471606454abc7beaa3a",
        "lessThan": "43330a1e8aace6b5a8de9aba127e9e394ab49b0f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f350a0a87374418635689471606454abc7beaa3a",
        "lessThan": "4beffcd726e2a731cea4dc18e1fbc55c8d76f1a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f350a0a87374418635689471606454abc7beaa3a",
        "lessThan": "d4b1301fd3c9e5e105fd3767c68bc4ba558bb228",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f350a0a87374418635689471606454abc7beaa3a",
        "lessThan": "ccb9fd4b87538ccf19ccff78ee26700526d94867",
        "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/bridge/netfilter/ebt_dnat.c",
      "net/bridge/netfilter/ebt_redirect.c",
      "net/netfilter/nfnetlink_log.c",
      "net/netfilter/nfnetlink_queue.c"
    ],
    "versions": [
      {
        "version": "2.6.36",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.36",
        "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"
      }
    ]
  }
]

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25 Jun 2026 09:16Current
5.7Medium risk
Vulners AI Score5.7
3