CVE-2026-90147 (GCVE-0-2026-90147)
Vulnerability from cvelistv5
Published
2026-09-17 16:06
Modified
2026-10-19 08:58
Severity ?
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
References
Impacted products
Vendor Product Version
Linux Linux Version: 9934a1bd45b2b03f6d1204a6ae2780d3b009799f
Version: 9934a1bd45b2b03f6d1204a6ae2780d3b009799f
Version: 9934a1bd45b2b03f6d1204a6ae2780d3b009799f
Version: 9934a1bd45b2b03f6d1204a6ae2780d3b009799f
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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",
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.12"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "lessThanOrEqual": "6.12.*",
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              "version": "6.12.110",
              "versionType": "semver"
            },
            {
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      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "vulnerable": true
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                  "versionEndExcluding": "6.18.52",
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                {
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                  "versionEndExcluding": "7.3",
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                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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": "2026-10-19T08:58:46.427Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/9a365f41fe0f227ef5a269e240233bd0bffc66c9"
        },
        {
          "url": "https://git.kernel.org/stable/c/9d4843f1051259854f724e9cdc5b9eac56327037"
        },
        {
          "url": "https://git.kernel.org/stable/c/647157fecb42b72d930e7b7d0bfbc5f2db9a858a"
        },
        {
          "url": "https://git.kernel.org/stable/c/0d4d262c1664365e17e0a5ba2ab79f4db484b44e"
        }
      ],
      "title": "clk: devres: fix cleanup in devm_clk_get_optional_enabled_with_rate()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-90147",
    "datePublished": "2026-09-17T16:06:42.342Z",
    "dateReserved": "2026-09-11T19:38:34.789Z",
    "dateUpdated": "2026-10-19T08:58:46.427Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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