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CVE-2026-90147NVD

Vulnerability 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 Level
UNKNOWN
Published Date
Sep 17, 2026
Last Modified
Sep 17, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.20%Probability
Root Weakness (CWE)
N/A

Affected & Patched Versions

Affected Versions
  • Linux Linux >= 9934a1bd45b2b03f6d1204a6ae2780d3b009799f and < 9a365f41fe0f227ef5a269e240233bd0bffc66c9
  • Linux Linux >= 9934a1bd45b2b03f6d1204a6ae2780d3b009799f and < 9d4843f1051259854f724e9cdc5b9eac56327037
  • Linux Linux >= 9934a1bd45b2b03f6d1204a6ae2780d3b009799f and < 647157fecb42b72d930e7b7d0bfbc5f2db9a858a
  • Linux Linux >= 9934a1bd45b2b03f6d1204a6ae2780d3b009799f and < 0d4d262c1664365e17e0a5ba2ab79f4db484b44e
  • Linux Linux >= 6.12
Patched Versions
  • Linux Linux 9a365f41fe0f227ef5a269e240233bd0bffc66c9
  • Linux Linux 9d4843f1051259854f724e9cdc5b9eac56327037
  • Linux Linux 647157fecb42b72d930e7b7d0bfbc5f2db9a858a
  • Linux Linux 0d4d262c1664365e17e0a5ba2ab79f4db484b44e
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