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netfilter: nfnetlink_log: account for netlink header size

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_log: account for netlink header size This is a followup to an old bug fix: NLMSG_DONE needs to account for the netlink header size, not just the attribute size. This can result in a WARN splat + drop of the netlink message, but other than this there are no ill effects.

Announced Source revision 1
Original source ↗

CVE-2026-31416

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-2026-31416

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": "9dfa1dfe4d5e5e66a991321ab08afe69759d797a",
        "lessThan": "4ec216410fac9de83c99177a160ebb8d42fad075",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "9dfa1dfe4d5e5e66a991321ab08afe69759d797a",
        "lessThan": "09883bf257f4243ed5a1fd35078ec6f0d0f3696a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "9dfa1dfe4d5e5e66a991321ab08afe69759d797a",
        "lessThan": "761b45c661af48da6a065868d59ab1e1f64fd9b6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "9dfa1dfe4d5e5e66a991321ab08afe69759d797a",
        "lessThan": "607245c4dbb86d9a10dd8388da0fb82170a99b61",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "9dfa1dfe4d5e5e66a991321ab08afe69759d797a",
        "lessThan": "6b419700e459fbf707ca1543b7c1b57a60fedb73",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "9dfa1dfe4d5e5e66a991321ab08afe69759d797a",
        "lessThan": "88a8f56e6276f616baad4274c6b8e4683e26e520",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "9dfa1dfe4d5e5e66a991321ab08afe69759d797a",
        "lessThan": "f08ffa3e1c8e36b6131f69c5eb23700c28cbd262",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "9dfa1dfe4d5e5e66a991321ab08afe69759d797a",
        "lessThan": "6d52a4a0520a6696bdde51caa11f2d6821cd0c01",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "3a758a2b78da2f49f7165678faf999e946a0c4b5",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "131172845aa2c804ffa9423455aee585061ea35e",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b1fef6b81871a396f3b8702077333e769673c87b",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "add9183d993c12fb61ce0a674a424341d5be5b36",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "3.10.61",
        "lessThan": "3.11",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.12.34",
        "lessThan": "3.13",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.14.25",
        "lessThan": "3.15",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.17.4",
        "lessThan": "3.18",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "net/netfilter/nfnetlink_log.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "3.18"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "3.18",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.253",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.203",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.168",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.134",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.81",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.22",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "6.19.12",
        "versionType": "semver",
        "lessThanOrEqual": "6.19.*"
      },
      {
        "status": "unaffected",
        "version": "7.0",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/netfilter/nfnetlink_log.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-31416

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#28269 · Revision 1
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Publisher date
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