CVE-2026-53249

🗓️ 25 Jun 2026 08:39:41Reported by LinuxType

Kernel patch restricts Internet protocol four source route options to privileged users to prevent sequence number leakage.

Reporter	Title	Published	Views	Family All 3
Cvelist	CVE-2026-53249 ipv4: restrict IPOPT_SSRR and IPOPT_LSRR options	25 Jun 202608:39	–	cvelist
EUVD	EUVD-2026-39200	25 Jun 202609:31	–	euvd
NVD	CVE-2026-53249	25 Jun 202609:16	–	nvd

Vulners

CNA

Node

linux linux_kernelRange2.6.12–5.10.259

linux linux_kernelRange5.11.0–5.15.210

linux linux_kernelRange5.16.0–6.1.176

linux linux_kernelRange6.2.0–6.6.143

linux linux_kernelRange6.7.0–6.12.94

linux linux_kernelRange6.13.0–6.18.36

linux linux_kernelRange6.19.0–7.0.13

linux linux_kernelRange7.1.0≥

[
  {
    "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"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "2a87c3e8f03ce655ed0ef500d64d5fd924ec3691",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "89343ff12b3178fc236fe531a3603e7c97c68278",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "8ff85dbabbbfb05e86e6cde31d91ac5782179d4d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "00e8845fe3428c69e980dce5071cb3da1d8f7578",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a4f3fd6516920988c47ba8d19714985c40c816a1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "28f5ad1b4055405eb1616e603fe511ba5e3725e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "d3915a1f5a4bc0ac911032903c3c6ab8df9fcc7c",
        "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/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"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/00e8845fe3428c69e980dce5071cb3da1d8f7578
git	www.git.kernel.org/stable/c/8ff85dbabbbfb05e86e6cde31d91ac5782179d4d
git	www.git.kernel.org/stable/c/4cd6e9ed49347d3a2fdaaf07e32fb524756dddc2
git	www.git.kernel.org/stable/c/a4f3fd6516920988c47ba8d19714985c40c816a1
git	www.git.kernel.org/stable/c/28f5ad1b4055405eb1616e603fe511ba5e3725e7
git	www.git.kernel.org/stable/c/89343ff12b3178fc236fe531a3603e7c97c68278
git	www.git.kernel.org/stable/c/2a87c3e8f03ce655ed0ef500d64d5fd924ec3691
git	www.git.kernel.org/stable/c/d3915a1f5a4bc0ac911032903c3c6ab8df9fcc7c

25 Jun 2026 09:16Current

5.7Medium risk

Vulners AI Score5.7