FKIE_CVE-2026-45850

Vulnerability from fkie_nvd - Published: 2026-05-27 14:16 - Updated: 2026-06-19 13:16
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: ipvs: skip ipv6 extension headers for csum checks Protocol checksum validation fails for IPv6 if there are extension headers before the protocol header. iph->len already contains its offset, so use it to fix the problem.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/05cfe9863ef049d98141dc2969eefde72fb07625
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0bf92a90bf05ecafe52e92d5bc15a585021a64ac
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/54add3b7d3c154ca89ef5bac2582b0ed1a3a15d5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/768f665f3685b455ed686370ed7ccb852a125a3b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9aa7edc1347b98774e5167ca34e5b8aa6083bde7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cdce1e797addab72393c0dfee31aaca41ef7d937
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d643c1ec80b70508f54dac12179e36920e2c00de
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/ipvs/ip_vs_proto_sctp.c",
            "net/netfilter/ipvs/ip_vs_proto_tcp.c",
            "net/netfilter/ipvs/ip_vs_proto_udp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0bf92a90bf05ecafe52e92d5bc15a585021a64ac",
              "status": "affected",
              "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
              "versionType": "git"
            },
            {
              "lessThan": "54add3b7d3c154ca89ef5bac2582b0ed1a3a15d5",
              "status": "affected",
              "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
              "versionType": "git"
            },
            {
              "lessThan": "768f665f3685b455ed686370ed7ccb852a125a3b",
              "status": "affected",
              "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
              "versionType": "git"
            },
            {
              "lessThan": "9aa7edc1347b98774e5167ca34e5b8aa6083bde7",
              "status": "affected",
              "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
              "versionType": "git"
            },
            {
              "lessThan": "d643c1ec80b70508f54dac12179e36920e2c00de",
              "status": "affected",
              "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
              "versionType": "git"
            },
            {
              "lessThan": "cdce1e797addab72393c0dfee31aaca41ef7d937",
              "status": "affected",
              "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
              "versionType": "git"
            },
            {
              "lessThan": "a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4",
              "status": "affected",
              "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
              "versionType": "git"
            },
            {
              "lessThan": "05cfe9863ef049d98141dc2969eefde72fb07625",
              "status": "affected",
              "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/ipvs/ip_vs_proto_sctp.c",
            "net/netfilter/ipvs/ip_vs_proto_tcp.c",
            "net/netfilter/ipvs/ip_vs_proto_udp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.28"
            },
            {
              "lessThan": "2.6.28",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.259",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.210",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.176",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.143",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.94",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.36",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: skip ipv6 extension headers for csum checks\n\nProtocol checksum validation fails for IPv6 if there are extension\nheaders before the protocol header. iph-\u003elen already contains its\noffset, so use it to fix the problem."
    }
  ],
  "id": "CVE-2026-45850",
  "lastModified": "2026-06-19T13:16:30.707",
  "metrics": {},
  "published": "2026-05-27T14:16:56.970",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/05cfe9863ef049d98141dc2969eefde72fb07625"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/0bf92a90bf05ecafe52e92d5bc15a585021a64ac"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/54add3b7d3c154ca89ef5bac2582b0ed1a3a15d5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/768f665f3685b455ed686370ed7ccb852a125a3b"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/9aa7edc1347b98774e5167ca34e5b8aa6083bde7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/cdce1e797addab72393c0dfee31aaca41ef7d937"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d643c1ec80b70508f54dac12179e36920e2c00de"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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Nomenclature

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