CVE-2023-53674

MEDIUM

Linux Kernel 5.11-5.15.121 - Use-After-Free in devm_clk_notifier_register

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0013
EPSS Percentile 3.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (13)
Linux/Linux < 5.11
Linux/Linux 5.11
Linux/Linux 5.15.121 - 5.15.*
Linux/Linux 6.1.39 - 6.1.*
Linux/Linux 6.3.13 - 6.3.*
Linux/Linux 6.4.4 - 6.4.*
Linux/Linux 6.5
Linux/Linux 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 - 49451db71b746df990888068961f1033f7c9b734
Linux/Linux 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 - 7fb933e56f77a57ef7cfc59fc34cbbf1b1fa31ff
Linux/Linux 6d30d50d037dfa092f9d5d1fffa348ab4abb7163 - a326cf0107b197e649bbaa2a2b1355894826ce32
... and 3 more
Published Oct 07, 2025
Tracked Since Feb 18, 2026