Vulnerability-Lookup

FKIE_CVE-2026-31416

Vulnerability from fkie_nvd - Published: 2026-04-13 14:16 - Updated: 2026-05-20 15:36

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

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.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/09883bf257f4243ed5a1fd35078ec6f0d0f3696a	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/4ec216410fac9de83c99177a160ebb8d42fad075	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/607245c4dbb86d9a10dd8388da0fb82170a99b61	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6b419700e459fbf707ca1543b7c1b57a60fedb73	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6d52a4a0520a6696bdde51caa11f2d6821cd0c01	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/761b45c661af48da6a065868d59ab1e1f64fd9b6	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/88a8f56e6276f616baad4274c6b8e4683e26e520	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f08ffa3e1c8e36b6131f69c5eb23700c28cbd262	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0

JSON

To clipboard

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          "confidentialityImpact": "NONE",
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}

CVE-2026-31416 (GCVE-0-2026-31416)

Vulnerability from cvelistv5 – Published: 2026-04-13 13:21 – Updated: 2026-05-23 16:04

Title

netfilter: nfnetlink_log: account for netlink header size

Summary

Severity

No CVSS data available.

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/4ec216410fac9de83…
https://git.kernel.org/stable/c/09883bf257f4243ed…
https://git.kernel.org/stable/c/761b45c661af48da6…
https://git.kernel.org/stable/c/607245c4dbb86d9a1…
https://git.kernel.org/stable/c/6b419700e459fbf70…
https://git.kernel.org/stable/c/88a8f56e6276f616b…
https://git.kernel.org/stable/c/f08ffa3e1c8e36b61…
https://git.kernel.org/stable/c/6d52a4a0520a6696b…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 9dfa1dfe4d5e5e66a991321ab08afe69759d797a , < 4ec216410fac9de83c99177a160ebb8d42fad075 (git) Affected: 9dfa1dfe4d5e5e66a991321ab08afe69759d797a , < 09883bf257f4243ed5a1fd35078ec6f0d0f3696a (git) Affected: 9dfa1dfe4d5e5e66a991321ab08afe69759d797a , < 761b45c661af48da6a065868d59ab1e1f64fd9b6 (git) Affected: 9dfa1dfe4d5e5e66a991321ab08afe69759d797a , < 607245c4dbb86d9a10dd8388da0fb82170a99b61 (git) Affected: 9dfa1dfe4d5e5e66a991321ab08afe69759d797a , < 6b419700e459fbf707ca1543b7c1b57a60fedb73 (git) Affected: 9dfa1dfe4d5e5e66a991321ab08afe69759d797a , < 88a8f56e6276f616baad4274c6b8e4683e26e520 (git) Affected: 9dfa1dfe4d5e5e66a991321ab08afe69759d797a , < f08ffa3e1c8e36b6131f69c5eb23700c28cbd262 (git) Affected: 9dfa1dfe4d5e5e66a991321ab08afe69759d797a , < 6d52a4a0520a6696bdde51caa11f2d6821cd0c01 (git) Affected: 3a758a2b78da2f49f7165678faf999e946a0c4b5 (git) Affected: 131172845aa2c804ffa9423455aee585061ea35e (git) Affected: b1fef6b81871a396f3b8702077333e769673c87b (git) Affected: add9183d993c12fb61ce0a674a424341d5be5b36 (git) Affected: 3.10.61 , < 3.11 (semver) Affected: 3.12.34 , < 3.13 (semver) Affected: 3.14.25 , < 3.15 (semver) Affected: 3.17.4 , < 3.18 (semver)
Linux	Linux	Affected: 3.18 Unaffected: 0 , < 3.18 (semver) Unaffected: 5.10.253 , ≤ 5.10.* (semver) Unaffected: 5.15.203 , ≤ 5.15.* (semver) Unaffected: 6.1.168 , ≤ 6.1.* (semver) Unaffected: 6.6.134 , ≤ 6.6.* (semver) Unaffected: 6.12.81 , ≤ 6.12.* (semver) Unaffected: 6.18.22 , ≤ 6.18.* (semver) Unaffected: 6.19.12 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        {
          "defaultStatus": "unaffected",
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          "programFiles": [
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "3.14.25",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "3.17.4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nfnetlink_log: account for netlink header size\n\nThis is a followup to an old bug fix: NLMSG_DONE needs to account\nfor the netlink header size, not just the attribute size.\n\nThis can result in a WARN splat + drop of the netlink message,\nbut other than this there are no ill effects."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-23T16:04:56.281Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4ec216410fac9de83c99177a160ebb8d42fad075"
        },
        {
          "url": "https://git.kernel.org/stable/c/09883bf257f4243ed5a1fd35078ec6f0d0f3696a"
        },
        {
          "url": "https://git.kernel.org/stable/c/761b45c661af48da6a065868d59ab1e1f64fd9b6"
        },
        {
          "url": "https://git.kernel.org/stable/c/607245c4dbb86d9a10dd8388da0fb82170a99b61"
        },
        {
          "url": "https://git.kernel.org/stable/c/6b419700e459fbf707ca1543b7c1b57a60fedb73"
        },
        {
          "url": "https://git.kernel.org/stable/c/88a8f56e6276f616baad4274c6b8e4683e26e520"
        },
        {
          "url": "https://git.kernel.org/stable/c/f08ffa3e1c8e36b6131f69c5eb23700c28cbd262"
        },
        {
          "url": "https://git.kernel.org/stable/c/6d52a4a0520a6696bdde51caa11f2d6821cd0c01"
        }
      ],
      "title": "netfilter: nfnetlink_log: account for netlink header size",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31416",
    "datePublished": "2026-04-13T13:21:03.974Z",
    "dateReserved": "2026-03-09T15:48:24.087Z",
    "dateUpdated": "2026-05-23T16:04:56.281Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2026-31416

CVE-2026-31416 (GCVE-0-2026-31416)

Tags

Sightings

Nomenclature