Vulnerability-Lookup

GHSA-W9R3-FW4F-W35F

Vulnerability from github – Published: 2025-03-18 21:31 – Updated: 2025-03-18 21:31

Details

In the Linux kernel, the following vulnerability has been resolved:

samples/landlock: Fix path_list memory leak

Clang static analysis reports this error

sandboxer.c:134:8: warning: Potential leak of memory pointed to by 'path_list' ret = 0; ^ path_list is allocated in parse_path() but never freed.

Severity

5.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47654"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T06:37:07Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsamples/landlock: Fix path_list memory leak\n\nClang static analysis reports this error\n\nsandboxer.c:134:8: warning: Potential leak of memory\n  pointed to by \u0027path_list\u0027\n        ret = 0;\n              ^\npath_list is allocated in parse_path() but never freed.",
  "id": "GHSA-w9r3-fw4f-w35f",
  "modified": "2025-03-18T21:31:58Z",
  "published": "2025-03-18T21:31:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47654"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/017196730299ccd6eed24bbfabed8af4ffd81530"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/20fbf100f84b9aeb9c91421abe1927bc152bc32b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/49b0d8bf05809df5f87e5c03e26d74bdfdab4571"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/66b513b7c64a7290c1fbb88e657f7cece992e131"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-47654 (GCVE-0-2021-47654)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:54 – Updated: 2026-05-11 13:58

Title

samples/landlock: Fix path_list memory leak

Summary

In the Linux kernel, the following vulnerability has been resolved: samples/landlock: Fix path_list memory leak Clang static analysis reports this error sandboxer.c:134:8: warning: Potential leak of memory pointed to by 'path_list' ret = 0; ^ path_list is allocated in parse_path() but never freed.

Severity

5.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-01 19:50 UTC

CWE

CWE-401 - Missing Release of Memory after Effective Lifetime

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7033 records in the last 180 days details

References

4 references

URL	Tags
https://git.kernel.org/stable/c/20fbf100f84b9aeb9…
https://git.kernel.org/stable/c/49b0d8bf05809df5f…
https://git.kernel.org/stable/c/017196730299ccd6e…
https://git.kernel.org/stable/c/66b513b7c64a7290c…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: ba84b0bf5a164f0f523656c1e37568c30f3f3303 , < 20fbf100f84b9aeb9c91421abe1927bc152bc32b (git) Affected: ba84b0bf5a164f0f523656c1e37568c30f3f3303 , < 49b0d8bf05809df5f87e5c03e26d74bdfdab4571 (git) Affected: ba84b0bf5a164f0f523656c1e37568c30f3f3303 , < 017196730299ccd6eed24bbfabed8af4ffd81530 (git) Affected: ba84b0bf5a164f0f523656c1e37568c30f3f3303 , < 66b513b7c64a7290c1fbb88e657f7cece992e131 (git)
Linux	Linux	Affected: 5.13 Unaffected: 0 , < 5.13 (semver) Unaffected: 5.15.33 , ≤ 5.15.* (semver) Unaffected: 5.16.19 , ≤ 5.16.* (semver) Unaffected: 5.17.2 , ≤ 5.17.* (semver) Unaffected: 5.18 , ≤ * (original_commit_for_fix)

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{
  "containers": {
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      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
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              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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                "id": "CVE-2021-47654",
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          "shortName": "CISA-ADP"
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    ],
    "cna": {
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          "product": "Linux",
          "programFiles": [
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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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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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