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CVE-2026-72417 netfilter: flowtable: Validate iph->ihl in nf_flow_ip4_tunnel_proto()

🗓️ 15 Aug 2026 05:56:37Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

Linux kernel netfilter flowtable validates iph->ihl to prevent out-of-bounds access with malformed IP headers.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
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Astra Linux – Vulnerability in Linux 5.10
24 Aug 202610:19
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CVE-2026-72417
15 Aug 202605:56
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CVE-2026-72417
15 Aug 202605:56
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EUVD-2026-59316
15 Aug 202605:56
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CVE-2026-72417
15 Aug 202606:22
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18 Aug 202606:06
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osv
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15 Aug 202606:22
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UBUNTU-CVE-2026-72417
15 Aug 202606:22
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ptsecurity
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PT-2026-72605
15 Aug 202600:00
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redhatcve
RedhatCVE
CVE-2026-72417
19 Aug 202617:40
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Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nf_flow_table_ip.c"
    ],
    "versions": [
      {
        "version": "ab427db17885814069bae891834f20842f0ac3a4",
        "lessThan": "025a41e76b51fbc7b8eaa5bacbaa9621d00e6aa7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ab427db17885814069bae891834f20842f0ac3a4",
        "lessThan": "84460b644329e25809b4a6d9279d6359d7fd8ebc",
        "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/nf_flow_table_ip.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "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 05:43Current
CVSS 3.19.8
EPSS0.00554
36