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EUVD-2026-344460

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-02 07:56

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

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{
  "assigner": "ENISA",
  "date_reserved": "2026-10-02T07:56:15.573625+00:00",
  "id": "EUVD-2026-344460"
}

CVE-2021-47347 (GCVE-0-2021-47347)

Vulnerability from cvelistv5 – Published: 2024-05-21 14:35 – Updated: 2026-08-05 08:47

Title

wl1251: Fix possible buffer overflow in wl1251_cmd_scan

Summary

In the Linux kernel, the following vulnerability has been resolved: wl1251: Fix possible buffer overflow in wl1251_cmd_scan Function wl1251_cmd_scan calls memcpy without checking the length. Harden by checking the length is within the maximum allowed size.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-13 22:00 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

Linux mitre root Scorecard

References

9 references

URL	Tags
https://git.kernel.org/stable/c/57ad99ae3c6738ba8…
https://git.kernel.org/stable/c/d3d8b9c9c7843dce3…
https://git.kernel.org/stable/c/0f6c0488368c9ac1a…
https://git.kernel.org/stable/c/115103f6e3f1c26c4…
https://git.kernel.org/stable/c/d71dddeb5380613f9…
https://git.kernel.org/stable/c/c5e4a10d7bd5d4f41…
https://git.kernel.org/stable/c/302e2ee34c5f7c5d8…
https://git.kernel.org/stable/c/40af3960a15339e8b…
https://git.kernel.org/stable/c/d10a87a3535cce2b8…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 , < 57ad99ae3c6738ba87bad259bb57c641ca68ebf6 (git) Affected: 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 , < d3d8b9c9c7843dce31e284927d4c9904fd5a510a (git) Affected: 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 , < 0f6c0488368c9ac1aa685821916fadba32f5d1ef (git) Affected: 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 , < 115103f6e3f1c26c473766c16439c7c8b235529a (git) Affected: 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 , < d71dddeb5380613f9ef199f3e7368fd78fb1a46e (git) Affected: 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 , < c5e4a10d7bd5d4f419d8b9705dff60cf69b302a1 (git) Affected: 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 , < 302e2ee34c5f7c5d805b7f835d9a6f2b43474e2a (git) Affected: 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 , < 40af3960a15339e8bbd3be50c3bc7b35e1a0b6ea (git) Affected: 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 , < d10a87a3535cce2b890897914f5d0d83df669c63 (git)
Linux	Linux	Affected: 2.6.31 Unaffected: 0 , < 2.6.31 (semver) Unaffected: 4.4.276 , ≤ 4.4.* (semver) Unaffected: 4.9.276 , ≤ 4.9.* (semver) Unaffected: 4.14.240 , ≤ 4.14.* (semver) Unaffected: 4.19.198 , ≤ 4.19.* (semver) Unaffected: 5.4.133 , ≤ 5.4.* (semver) Unaffected: 5.10.51 , ≤ 5.10.* (semver) Unaffected: 5.12.18 , ≤ 5.12.* (semver) Unaffected: 5.13.3 , ≤ 5.13.* (semver) Unaffected: 5.14 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-47347",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-13T22:00:32.437065Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-120",
                "description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:32:08.562Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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          },
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        "title": "CVE Program Container"
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    "cna": {
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          "programFiles": [
            "drivers/net/wireless/ti/wl1251/cmd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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          "vendor": "Linux",
          "versions": [
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              "status": "unaffected",
              "version": "4.4.276",
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              "status": "unaffected",
              "version": "4.9.276",
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              "versionType": "semver"
            },
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            },
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            },
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              "versionType": "semver"
            },
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              "version": "5.14",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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EUVD-2026-344460

CVE-2021-47347 (GCVE-0-2021-47347)

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Sightings

Nomenclature

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