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CVE-2026-53249 ipv4: restrict IPOPT_SSRR and IPOPT_LSRR options

🗓️ 25 Jun 2026 08:39:41Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 2 Views

Restrict IPOPT_SSRR and IPOPT_LSRR to CAP_NET_RAW to stop unprivileged routing via attacker nodes and prevent initial sequence leakage.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-53249
25 Jun 202608:39
attackerkb
CVE
CVE-2026-53249
25 Jun 202608:39
cve
Debian CVE
CVE-2026-53249
25 Jun 202608:39
debiancve
EUVD
EUVD-2026-39200
25 Jun 202608:39
euvd
NVD
CVE-2026-53249
25 Jun 202609:16
nvd
Positive Technologies
PT-2026-52344
25 Jun 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/ip_options.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "4cd6e9ed49347d3a2fdaaf07e32fb524756dddc2",
        "status": "affected",
        "versionType": "git"
      },
      {
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      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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        "versionType": "git"
      },
      {
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      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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        "status": "affected",
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      },
      {
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      },
      {
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        "status": "affected",
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      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/ip_options.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "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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