CVE-2024-26662: Vulnerability in linux-libc-dev package - Null Pointer Access in 'dcn21_set_backlight_level()'
Summary
CVE-2024-26662: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()' 'panel_cntl' structure used to control the display panel could be null,... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
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Background
The linux-libc-dev package is a development package that provides the necessary header files and static libraries for compiling and linking programs against the Linux kernel. It is an essential component for building and running applications on Linux systems. This package is vulnerable to a null pointer access issue in the 'dcn21_set_backlight_level()' function of the 'drm/amd/display' module.
Vulnerability Detail
The vulnerability arises from the possibility of the 'panel_cntl' structure, which is used to control the display panel, being null. If this structure is dereferenced without proper validation, it can lead to a null pointer access, resulting in a system crash or potential code execution. This vulnerability has been addressed in the Linux kernel.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No workaround has been provided for this vulnerability.
Conclusion
The linux-libc-dev package is vulnerable to a null pointer access issue in the 'dcn21_set_backlight_level()' function of the 'drm/amd/display' module. It is recommended to update the package to version 6.1.90-1 or later to fix this vulnerability. No workaround has been provided. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The linux-libc-dev package is a development package that provides the necessary header files and static libraries for compiling and linking programs against the Linux kernel.
This vulnerability can lead to a null pointer access, potentially causing a system crash or code execution.
To fix this vulnerability, update the linux-libc-dev package to version 6.1.90-1 or later using the package manager update command specific to your Linux distribution.
No workaround has been provided for this vulnerability.
You can find more information about this vulnerability in the CVE-2024-26662 entry on the National Vulnerability Database (NVD) website.
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