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ipvs: skip ipv6 extension headers for csum checks

Type: advisorySource: Official CVE List1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-45850

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-45850

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
        "lessThan": "0bf92a90bf05ecafe52e92d5bc15a585021a64ac",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
        "lessThan": "54add3b7d3c154ca89ef5bac2582b0ed1a3a15d5",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
        "lessThan": "768f665f3685b455ed686370ed7ccb852a125a3b",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
        "lessThan": "9aa7edc1347b98774e5167ca34e5b8aa6083bde7",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
        "lessThan": "d643c1ec80b70508f54dac12179e36920e2c00de",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
        "lessThan": "cdce1e797addab72393c0dfee31aaca41ef7d937",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
        "lessThan": "a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0bbdd42b7efa66685b6d74701bcde3a596a3a59d",
        "lessThan": "05cfe9863ef049d98141dc2969eefde72fb07625",
        "versionType": "git"
      }
    ],
    "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"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "2.6.28"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "2.6.28",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.259",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.210",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.176",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.143",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.94",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.36",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "6.19.4",
        "versionType": "semver",
        "lessThanOrEqual": "6.19.*"
      },
      {
        "status": "unaffected",
        "version": "7.0",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "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"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-45850

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#28368 · Revision 1
Added to Heist Feed
Publisher date
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