Vulnerability-Lookup

GHSA-QWJG-7MJQ-FHH3

Vulnerability from github – Published: 2025-10-01 12:30 – Updated: 2026-01-23 21:30

Details

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

thunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request()

The memory allocated in tb_queue_dp_bandwidth_request() needs to be released once the request is handled to avoid leaking it.

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-2023-53527"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-01T12:15:57Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request()\n\nThe memory allocated in tb_queue_dp_bandwidth_request() needs to be\nreleased once the request is handled to avoid leaking it.",
  "id": "GHSA-qwjg-7mjq-fhh3",
  "modified": "2026-01-23T21:30:36Z",
  "published": "2025-10-01T12:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53527"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0752bb32aed2c5dd85821195a507a1079c4835f7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/596a5123cc782d458b057eb3837e66535cd0befa"
    }
  ],
  "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-2023-53527 (GCVE-0-2023-53527)

Vulnerability from cvelistv5 – Published: 2025-10-01 11:46 – Updated: 2026-05-11 19:46

Title

thunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request()

Summary

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request() The memory allocated in tb_queue_dp_bandwidth_request() needs to be released once the request is handled to avoid leaking it.

Severity

No CVSS data available.

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7018 records in the last 180 days details

References

2 references

URL	Tags
https://git.kernel.org/stable/c/0752bb32aed2c5dd8…
https://git.kernel.org/stable/c/596a5123cc782d458…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 6ce3563520be90a155706bafc186fc264a13850e , < 0752bb32aed2c5dd85821195a507a1079c4835f7 (git) Affected: 6ce3563520be90a155706bafc186fc264a13850e , < 596a5123cc782d458b057eb3837e66535cd0befa (git)
Linux	Linux	Affected: 6.3 Unaffected: 0 , < 6.3 (semver) Unaffected: 6.4.11 , ≤ 6.4.* (semver) Unaffected: 6.5 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/thunderbolt/tb.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0752bb32aed2c5dd85821195a507a1079c4835f7",
              "status": "affected",
              "version": "6ce3563520be90a155706bafc186fc264a13850e",
              "versionType": "git"
            },
            {
              "lessThan": "596a5123cc782d458b057eb3837e66535cd0befa",
              "status": "affected",
              "version": "6ce3563520be90a155706bafc186fc264a13850e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/thunderbolt/tb.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.3"
            },
            {
              "lessThan": "6.3",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4.11",
                  "versionStartIncluding": "6.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.5",
                  "versionStartIncluding": "6.3",
                  "vulnerable": true
                }
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request()\n\nThe memory allocated in tb_queue_dp_bandwidth_request() needs to be\nreleased once the request is handled to avoid leaking it."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:46:41.950Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0752bb32aed2c5dd85821195a507a1079c4835f7"
        },
        {
          "url": "https://git.kernel.org/stable/c/596a5123cc782d458b057eb3837e66535cd0befa"
        }
      ],
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53527",
    "datePublished": "2025-10-01T11:46:12.696Z",
    "dateReserved": "2025-10-01T11:39:39.408Z",
    "dateUpdated": "2026-05-11T19:46:41.950Z",
    "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.

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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.
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