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CVE-2026-64002

🗓️ 19 Jul 2026 14:56:19Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 39 Views🌐 WEB

CVE-2026-64002 frees net ipv4 ip_local_reserved_ports only after unregistering net sysctl table.

Related
Detection
Affected
Refs
Paths
Vulners
CNA
Node
OR
linuxlinux_kernelRange3.165.10.259
linuxlinux_kernelRange5.11.05.15.210
linuxlinux_kernelRange5.16.06.1.176
linuxlinux_kernelRange6.2.06.6.143
linuxlinux_kernelRange6.7.06.12.93
linuxlinux_kernelRange6.13.06.18.35
linuxlinux_kernelRange6.19.07.0.12
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/ipv4/sysctl_net_ipv4.c"
    ],
    "versions": [
      {
        "version": "122ff243f5f104194750ecbc76d5946dd1eec934",
        "lessThan": "ecf45080a4d3f4526cacb8b14060fe3b49a6913b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "122ff243f5f104194750ecbc76d5946dd1eec934",
        "lessThan": "a0ffc6081a8b27082dd5eae5aa1e3f59bbecf06c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "122ff243f5f104194750ecbc76d5946dd1eec934",
        "lessThan": "5b23a2ff379e70b6b9ff744a972b63e1f8f4d996",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "122ff243f5f104194750ecbc76d5946dd1eec934",
        "lessThan": "8e59d4d0dcde2dfb07a7ef855c849a2a0560aa57",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "122ff243f5f104194750ecbc76d5946dd1eec934",
        "lessThan": "6512c57c4638ddec113bf42439361ba85a12048d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "122ff243f5f104194750ecbc76d5946dd1eec934",
        "lessThan": "a7f4eefb6e1458431eef9fa20fb363320d185f76",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "122ff243f5f104194750ecbc76d5946dd1eec934",
        "lessThan": "155f90be5ee8be5b110ebc0b7da33c54c83b0208",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "122ff243f5f104194750ecbc76d5946dd1eec934",
        "lessThan": "87a1e0fe7776da7ab411be332b4be58ac8840d10",
        "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/sysctl_net_ipv4.c"
    ],
    "versions": [
      {
        "version": "3.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.16",
        "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": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
ip_local_reserved_portspathproc/sys/net/ipv4/ip_local_reserved_portsDereferencing freed sysctl data via /proc/sys/net/ipv4/ip_local_reserved_ports after early freeing of net->ipv4.sysctl_local_reserved_ports; vulnerability arises from freeing too soon, potentially allowing use-after-free after unregister_net_sysctl_table.

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05 Aug 2026 12:38Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.17.8
EPSS0.00129
39