CVE-2023-53674
clk: Fix memory leak in devm_clk_notifier_register()
Description
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.
INFO
Published Date :
Oct. 7, 2025, 4:15 p.m.
Last Modified :
Oct. 8, 2025, 7:38 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Register the resource through devres_add().
- Apply the kernel patch.
References to Advisories, Solutions, and Tools
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CVE-2023-53674
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CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-53674
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-53674
weaknesses.
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CVE-2023-53674
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CVE-2023-53674
vulnerability over time.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Oct. 07, 2025
Action Type Old Value New Value Added Description 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. Added Reference https://git.kernel.org/stable/c/49451db71b746df990888068961f1033f7c9b734 Added Reference https://git.kernel.org/stable/c/7fb933e56f77a57ef7cfc59fc34cbbf1b1fa31ff Added Reference https://git.kernel.org/stable/c/a326cf0107b197e649bbaa2a2b1355894826ce32 Added Reference https://git.kernel.org/stable/c/cb1b04fd4283fc8f9acefe0ddc61ba072ed44877 Added Reference https://git.kernel.org/stable/c/efbbda79b2881a04dcd0e8f28634933d79e17e49