Linux Kernel up to 5.15.111/6.1.28/6.2.15/6.3.2 null pointer dereference

Summaryinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 5.15.111/6.1.28/6.2.15/6.3.2. This issue affects some unknown processing. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2023-54138. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.15.111/6.1.28/6.2.15/6.3.2 and classified as critical. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/msm: fix NULL-deref on irq uninstall In case of early initialisation errors and on platforms that do not use the DPU controller, the deinitilisation code can be called with the kms pointer set to NULL. Patchwork: https://patchwork.freedesktop.org/patch/525104/

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2023-54138 since 12/24/2025. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 280000 (Linux Distros Unpatched Vulnerability : CVE-2023-54138), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.15.112, 6.1.29, 6.2.16 or 6.3.3 eliminates this vulnerability. Applying the patch e2d1cc82ad509c07a9ab0ab4bf88b6613fbf784b/dd8ce825b165acf997689c5ffa45d6a7a1fc0260/bafa985acff9b0ed53957beff33c18be08d6b9a6/72092e34742e8b34accdadfa7bd9a13cf255a531/cd459c005de3e2b855a8cc7768e633ce9d018e9f is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (280000) and CERT Bund (WID-SEC-2025-2929). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• Open Source Linux Kernel

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.15.111
• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4
• 6.1.5
• 6.1.6
• 6.1.7
• 6.1.8
• 6.1.9
• 6.1.10
• 6.1.11
• 6.1.12
• 6.1.13
• 6.1.14
• 6.1.15
• 6.1.16
• 6.1.17
• 6.1.18
• 6.1.19
• 6.1.20
• 6.1.21
• 6.1.22
• 6.1.23
• 6.1.24
• 6.1.25
• 6.1.26
• 6.1.27
• 6.1.28
• 6.2.0
• 6.2.1
• 6.2.2
• 6.2.3
• 6.2.4
• 6.2.5
• 6.2.6
• 6.2.7
• 6.2.8
• 6.2.9
• 6.2.10
• 6.2.11
• 6.2.12
• 6.2.13
• 6.2.14
• 6.2.15
• 6.3.0
• 6.3.1
• 6.3.2

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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