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CVE-2025-23144

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: backlight: led_bl: Hold led_access lock when calling led_sysfs_disable() Lockdep detects the following issue on led-backlight r…

Published May 1, 2025EPSS 0.22%

Overview

CVE-2025-23144 is a medium-severity vulnerability. It was published on May 1, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

backlight: led_bl: Hold led_access lock when calling led_sysfs_disable()

Lockdep detects the following issue on led-backlight removal:

[ 142.315935] ------------[ cut here ]------------

[ 142.315954] WARNING: CPU: 2 PID: 292 at drivers/leds/led-core.c:455 led_sysfs_enable+0x54/0x80

...

[ 142.500725] Call trace:

[ 142.503176] led_sysfs_enable+0x54/0x80 (P)

[ 142.507370] led_bl_remove+0x80/0xa8 [led_bl]

[ 142.511742] platform_remove+0x30/0x58

[ 142.515501] device_remove+0x54/0x90

...

Indeed, led_sysfs_enable() has to be called with the led_access

lock held.

Hold the lock when calling led_sysfs_disable().

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/11d128f7eacec276c75cf4712880a6307ca9c885Refgit.kernel.org/stable/c/1c82f5a393d8b9a5c1ea032413719862098afd4bRefgit.kernel.org/stable/c/276822a00db3c1061382b41e72cafc09d6a0ec30Refgit.kernel.org/stable/c/61a5c565fd2442d3128f3bab5f022658adc3a4e6Refgit.kernel.org/stable/c/74c7d67a3c305fc1fa03c32a838e8446fb7aee14Refgit.kernel.org/stable/c/87d947a0607be384bfe7bb0935884a711e35ca07Refgit.kernel.org/stable/c/b447885ec9130cf86f355e011dc6b94d6ccfb5b7Refgit.kernel.org/stable/c/b8ddf5107f53789448900f04fa220f34cd2f777eReflists.debian.org/debian-lts-announce/2025/05/msg00030.htmlReflists.debian.org/debian-lts-announce/2025/05/msg00045.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-23144?

CVE-2025-23144 is a medium-severity vulnerability. It was published on May 1, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-23144?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-23144?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-23144?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-23144 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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