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CVE-2022-50816

🗓️ 30 Dec 2025 12:08:32Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

CVE-2022-50816 fixes IPv6 tunnel maximum transmission unit handling by sanitizing before device write to prevent underflow.

Related
Detection
Affected
Refs
Vulners
CNA
Node
linuxlinux_kernelRange3.74.14.305
OR
linuxlinux_kernelRange4.15.04.19.272
OR
linuxlinux_kernelRange4.20.05.4.231
OR
linuxlinux_kernelRange5.5.05.10.153
OR
linuxlinux_kernelRange5.11.05.15.77
OR
linuxlinux_kernelRange5.16.06.0.7
OR
linuxlinux_kernelRange6.1.0
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/ip6_gre.c",
      "net/ipv6/ip6_tunnel.c",
      "net/ipv6/sit.c"
    ],
    "versions": [
      {
        "version": "c12b395a46646bab69089ce7016ac78177f6001f",
        "lessThan": "2bab6fa449d16af36d9c9518865f783a15f446c7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c12b395a46646bab69089ce7016ac78177f6001f",
        "lessThan": "78297d513157a31fd629626fe4cbb85a7dcbb94a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c12b395a46646bab69089ce7016ac78177f6001f",
        "lessThan": "af51fc23a03f02b0c6df09ab0d60f23794436052",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c12b395a46646bab69089ce7016ac78177f6001f",
        "lessThan": "44affe7ede596f078c4f2f41e0d160266ccda818",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c12b395a46646bab69089ce7016ac78177f6001f",
        "lessThan": "ad3f1d9bf162c487d23df684852597961b745cae",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c12b395a46646bab69089ce7016ac78177f6001f",
        "lessThan": "ccd94bd4939690e24d13e23814bce7ed853a09f3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c12b395a46646bab69089ce7016ac78177f6001f",
        "lessThan": "d89d7ff01235f218dad37de84457717f699dee79",
        "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/ipv6/ip6_gre.c",
      "net/ipv6/ip6_tunnel.c",
      "net/ipv6/sit.c"
    ],
    "versions": [
      {
        "version": "3.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.305",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.272",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.231",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.153",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.77",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.7",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 19:25Current
5.9Medium risk
Vulners AI Score5.9
EPSS0.00029
5