Vulnerability-Lookup

GHSA-CR6W-C8XQ-W69P

Vulnerability from github – Published: 2026-09-17 18:31 – Updated: 2026-09-17 18:31

Details

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

clk: devres: fix cleanup in devm_clk_get_optional_enabled_with_rate()

devm_clk_get_optional_enabled_with_rate() registers its cleanup action before setting the clock rate. If setting the rate fails, it attempts to disable and unprepare a clock that was never enabled. This issue was spotted while reviewing "rust: clk: add devres-managed clks" 1.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-90147"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-17T17:17:07Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: devres: fix cleanup in devm_clk_get_optional_enabled_with_rate()\n\ndevm_clk_get_optional_enabled_with_rate() registers its cleanup action\nbefore setting the clock rate. If setting the rate fails, it attempts to\ndisable and unprepare a clock that was never enabled. This issue was\nspotted while reviewing \"rust: clk: add devres-managed clks\" [1].\n\nRegister the cleanup action only after successfully preparing and enabling\nthe clock.\n\n[1]: https://lore.kernel.org/rust-for-linux/20260706-clk-type-state-v5-3-67c5f326a16c@collabora.com",
  "id": "GHSA-cr6w-c8xq-w69p",
  "modified": "2026-09-17T18:31:52Z",
  "published": "2026-09-17T18:31:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90147"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0d4d262c1664365e17e0a5ba2ab79f4db484b44e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/647157fecb42b72d930e7b7d0bfbc5f2db9a858a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9a365f41fe0f227ef5a269e240233bd0bffc66c9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9d4843f1051259854f724e9cdc5b9eac56327037"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-90147 (GCVE-0-2026-90147)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:06 – Updated: 2026-09-17 16:06

Title

clk: devres: fix cleanup in devm_clk_get_optional_enabled_with_rate()

Summary

In the Linux kernel, the following vulnerability has been resolved: clk: devres: fix cleanup in devm_clk_get_optional_enabled_with_rate() devm_clk_get_optional_enabled_with_rate() registers its cleanup action before setting the clock rate. If setting the rate fails, it attempts to disable and unprepare a clock that was never enabled. This issue was spotted while reviewing "rust: clk: add devres-managed clks" [1]. Register the cleanup action only after successfully preparing and enabling the clock. [1]: https://lore.kernel.org/rust-for-linux/20260706-clk-type-state-v5-3-67c5f326a16c@collabora.com

Severity

No CVSS data available.

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/9a365f41fe0f227ef…
https://git.kernel.org/stable/c/9d4843f1051259854…
https://git.kernel.org/stable/c/647157fecb42b72d9…
https://git.kernel.org/stable/c/0d4d262c1664365e1…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 9934a1bd45b2b03f6d1204a6ae2780d3b009799f , < 9a365f41fe0f227ef5a269e240233bd0bffc66c9 (git) Affected: 9934a1bd45b2b03f6d1204a6ae2780d3b009799f , < 9d4843f1051259854f724e9cdc5b9eac56327037 (git) Affected: 9934a1bd45b2b03f6d1204a6ae2780d3b009799f , < 647157fecb42b72d930e7b7d0bfbc5f2db9a858a (git) Affected: 9934a1bd45b2b03f6d1204a6ae2780d3b009799f , < 0d4d262c1664365e17e0a5ba2ab79f4db484b44e (git)
Linux	Linux	Affected: 6.12 Unaffected: 0 , < 6.12 (semver) Unaffected: 6.12.110 , ≤ 6.12.* (semver) Unaffected: 6.18.52 , ≤ 6.18.* (semver) Unaffected: 7.2.6 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/clk/clk-devres.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "9a365f41fe0f227ef5a269e240233bd0bffc66c9",
              "status": "affected",
              "version": "9934a1bd45b2b03f6d1204a6ae2780d3b009799f",
              "versionType": "git"
            },
            {
              "lessThan": "9d4843f1051259854f724e9cdc5b9eac56327037",
              "status": "affected",
              "version": "9934a1bd45b2b03f6d1204a6ae2780d3b009799f",
              "versionType": "git"
            },
            {
              "lessThan": "647157fecb42b72d930e7b7d0bfbc5f2db9a858a",
              "status": "affected",
              "version": "9934a1bd45b2b03f6d1204a6ae2780d3b009799f",
              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/clk/clk-devres.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.12"
            },
            {
              "lessThan": "6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.110",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.52",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.110",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.52",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                },
                {
                  "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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        }
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: devres: fix cleanup in devm_clk_get_optional_enabled_with_rate()\n\ndevm_clk_get_optional_enabled_with_rate() registers its cleanup action\nbefore setting the clock rate. If setting the rate fails, it attempts to\ndisable and unprepare a clock that was never enabled. This issue was\nspotted while reviewing \"rust: clk: add devres-managed clks\" [1].\n\nRegister the cleanup action only after successfully preparing and enabling\nthe clock.\n\n[1]: https://lore.kernel.org/rust-for-linux/20260706-clk-type-state-v5-3-67c5f326a16c@collabora.com"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-17T16:06:42.342Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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        },
        {
          "url": "https://git.kernel.org/stable/c/0d4d262c1664365e17e0a5ba2ab79f4db484b44e"
        }
      ],
      "title": "clk: devres: fix cleanup in devm_clk_get_optional_enabled_with_rate()",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-90147",
    "datePublished": "2026-09-17T16:06:42.342Z",
    "dateReserved": "2026-09-11T19:38:34.789Z",
    "dateUpdated": "2026-09-17T16:06:42.342Z",
    "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.

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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GHSA-CR6W-C8XQ-W69P

CVE-2026-90147 (GCVE-0-2026-90147)

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