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CVE-2026-53214

🗓️ 25 Jun 2026 08:39:18Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 31 Views🌐 WEB

IPv6 fix: prevent null pointer dereference in cleanup_prefix_route by checking fib null entry before using expiration.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.6.1206.6.143
linuxlinux_kernelRange6.96.12.94
linuxlinux_kernelRange6.136.18.36
linuxlinux_kernelRange6.197.0.13
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/addrconf.c"
    ],
    "versions": [
      {
        "version": "bd12abe294c7738421bdfbc486f1909d02db30e9",
        "lessThan": "5f82b02b4059ddc06e4fcfd057bfb59fd6885cd2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5eb902b8e7193cdcb33242af0a56502e6b5206e9",
        "lessThan": "192df376a05c2db15564640f9da7e20907c1fa24",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5eb902b8e7193cdcb33242af0a56502e6b5206e9",
        "lessThan": "07d9a0870a178843cea44cfd58c27445dc94cf5f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5eb902b8e7193cdcb33242af0a56502e6b5206e9",
        "lessThan": "653a2849305708f75260b5296f17b2a759ff9cc7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5eb902b8e7193cdcb33242af0a56502e6b5206e9",
        "lessThan": "b70c687b7cf267fb08586667a3946c8851cad672",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.6.120",
        "lessThan": "6.6.143",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/addrconf.c"
    ],
    "versions": [
      {
        "version": "6.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.9",
        "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"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
cleanup_prefix_routepathnet/ipv6/addrconf.c:1280Potential null pointer dereference (NPD) in ipv6 cleanup_prefix_route when addrconf_get_prefix_route returns fib6_null_entry with NULL fib6_table.CWE-476
addrconf_get_prefix_routepathnet/ipv6/addrconf.c:1280Potential null pointer dereference (NPD) in ipv6 cleanup_prefix_route when addrconf_get_prefix_route returns fib6_null_entry with NULL fib6_table.CWE-476
fib6_null_entrypathnet/ipv6/addrconf.c:1280Potential null pointer dereference (NPD) in ipv6 cleanup_prefix_route when addrconf_get_prefix_route returns fib6_null_entry with NULL fib6_table.CWE-476

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02 Jul 2026 20:52Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.5
EPSS0.00122
31