CVE-2023-53674 (GCVE-0-2023-53674)

Vulnerability from cvelistv5 – Published: 2025-10-07 15:21 – Updated: 2025-10-07 15:21
VLAI?
Title
clk: Fix memory leak in devm_clk_notifier_register()
Summary
In the Linux kernel, the following vulnerability has been resolved: clk: Fix memory leak in devm_clk_notifier_register() devm_clk_notifier_register() allocates a devres resource for clk notifier but didn't register that to the device, so the notifier didn't get unregistered on device detach and the allocated resource was leaked. Fix the issue by registering the resource through devres_add(). This issue was found with kmemleak on a Chromebook.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 , < a326cf0107b197e649bbaa2a2b1355894826ce32 (git)
Affected: 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 , < 49451db71b746df990888068961f1033f7c9b734 (git)
Affected: 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 , < cb1b04fd4283fc8f9acefe0ddc61ba072ed44877 (git)
Affected: 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 , < efbbda79b2881a04dcd0e8f28634933d79e17e49 (git)
Affected: 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 , < 7fb933e56f77a57ef7cfc59fc34cbbf1b1fa31ff (git)
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    Linux Linux Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.15.121 , ≤ 5.15.* (semver)
Unaffected: 6.1.39 , ≤ 6.1.* (semver)
Unaffected: 6.3.13 , ≤ 6.3.* (semver)
Unaffected: 6.4.4 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/clk/clk.c"
          ],
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          "vendor": "Linux",
          "versions": [
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.1.39",
              "versionType": "semver"
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              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.13",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.4",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              ],
              "negate": false,
              "operator": "OR"
            }
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        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: Fix memory leak in devm_clk_notifier_register()\n\ndevm_clk_notifier_register() allocates a devres resource for clk\nnotifier but didn\u0027t register that to the device, so the notifier didn\u0027t\nget unregistered on device detach and the allocated resource was leaked.\n\nFix the issue by registering the resource through devres_add().\n\nThis issue was found with kmemleak on a Chromebook."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-07T15:21:30.320Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a326cf0107b197e649bbaa2a2b1355894826ce32"
        },
        {
          "url": "https://git.kernel.org/stable/c/49451db71b746df990888068961f1033f7c9b734"
        },
        {
          "url": "https://git.kernel.org/stable/c/cb1b04fd4283fc8f9acefe0ddc61ba072ed44877"
        },
        {
          "url": "https://git.kernel.org/stable/c/efbbda79b2881a04dcd0e8f28634933d79e17e49"
        },
        {
          "url": "https://git.kernel.org/stable/c/7fb933e56f77a57ef7cfc59fc34cbbf1b1fa31ff"
        }
      ],
      "title": "clk: Fix memory leak in devm_clk_notifier_register()",
      "x_generator": {
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      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53674",
    "datePublished": "2025-10-07T15:21:30.320Z",
    "dateReserved": "2025-10-07T15:16:59.663Z",
    "dateUpdated": "2025-10-07T15:21:30.320Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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