github - ghsa-m5mr-p52m-vp72

GHSA-M5MR-P52M-VP72

Vulnerability from github – Published: 2025-08-09 15:30 – Updated: 2025-11-19 18:31

Details

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

Bluetooth: eir: Fix using strlen with hdev->{dev_name,short_name}

Both dev_name and short_name are not guaranteed to be NULL terminated so this instead use strnlen and then attempt to determine if the resulting string needs to be truncated or not.

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-2022-50233"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-09T15:15:27Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: eir: Fix using strlen with hdev-\u003e{dev_name,short_name}\n\nBoth dev_name and short_name are not guaranteed to be NULL terminated so\nthis instead use strnlen and then attempt to determine if the resulting\nstring needs to be truncated or not.",
  "id": "GHSA-m5mr-p52m-vp72",
  "modified": "2025-11-19T18:31:17Z",
  "published": "2025-08-09T15:30:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50233"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dd7b8cdde098cf9f7c8de409b5b7bbb98f97be80"
    }
  ],
  "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-2022-50233 (GCVE-0-2022-50233)

Vulnerability from cvelistv5 – Published: 2025-08-09 14:30 – Updated: 2025-10-29 10:50

Summary

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: eir: Fix using strlen with hdev->{dev_name,short_name} Both dev_name and short_name are not guaranteed to be NULL terminated so this instead use strnlen and then attempt to determine if the resulting string needs to be truncated or not.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

https://git.kernel.org/stable/c/dd7b8cdde098cf9f7…

Impacted products

Vendor

Product

Version

Linux

Affected: 4c3dbb2c312c9fafbac30d98c523b8b1f3455d78 , < dd7b8cdde098cf9f7c8de409b5b7bbb98f97be80 (git)

Linux

Affected: 4.14
Unaffected: 0 , < 4.14 (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/bluetooth/eir.c",
            "net/bluetooth/mgmt.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "dd7b8cdde098cf9f7c8de409b5b7bbb98f97be80",
              "status": "affected",
              "version": "4c3dbb2c312c9fafbac30d98c523b8b1f3455d78",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/bluetooth/eir.c",
            "net/bluetooth/mgmt.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.14"
            },
            {
              "lessThan": "4.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: eir: Fix using strlen with hdev-\u003e{dev_name,short_name}\n\nBoth dev_name and short_name are not guaranteed to be NULL terminated so\nthis instead use strnlen and then attempt to determine if the resulting\nstring needs to be truncated or not."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-29T10:50:07.782Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/dd7b8cdde098cf9f7c8de409b5b7bbb98f97be80"
        }
      ],
      "title": "Bluetooth: eir: Fix using strlen with hdev-\u003e{dev_name,short_name}",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50233",
    "datePublished": "2025-08-09T14:30:51.639Z",
    "dateReserved": "2025-06-18T10:57:27.432Z",
    "dateUpdated": "2025-10-29T10:50:07.782Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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

GHSA-M5MR-P52M-VP72

CVE-2022-50233 (GCVE-0-2022-50233)

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Sightings

Nomenclature