Null Pointer Dereference Vulnerability in Linux Kernel - CVE-2024-49918
Summary
CVE-2024-49918: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null check for head_pipe in dcn32_acquire_idle_pipe_for_head_pipe_in_layer This commit addresses a potential null pointer dereferen... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The Linux kernel is the core component of many operating systems, responsible for managing hardware and system resources. It provides essential services for all other parts of the operating system. The kernel's stability and security are paramount, as vulnerabilities can lead to system crashes or unauthorized access. This specific vulnerability affects the AMD GPU display driver within the kernel, highlighting the importance of rigorous code checks and error handling.
Vulnerability Detail
CVE-2024-49918 is a vulnerability found in the Linux kernel's AMD display driver, specifically in the function dcn32_acquire_idle_pipe_for_head_pipe_in_layer. The issue arises from a potential null pointer dereference when the variable head_pipe is null. If this condition is not properly handled, it could lead to system instability or crashes. The vulnerability was reported by smatch, indicating that the assumption that head_pipe could never be null was incorrect, necessitating a code fix to prevent such dereferences.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
Currently, there are no specific workarounds provided for this vulnerability. The best course of action is to apply the patch as soon as it becomes available.
Conclusion
CVE-2024-49918 is a critical vulnerability in the Linux kernel that requires immediate attention. Users are advised to update their systems to the latest patched version to prevent potential null pointer dereference issues. Utilizing tools like Vulert can help monitor and manage open-source vulnerabilities effectively.
See every vulnerability recorded for linux →
FAQ
CVE-2024-49918 is a vulnerability in the Linux kernel's AMD display driver that could lead to a null pointer dereference, potentially causing system crashes.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected by this vulnerability.
While there are no specific workarounds, it is crucial to prioritize updating your kernel to mitigate the risk associated with this vulnerability.
While the severity of the vulnerability can depend on the specific use case, null pointer dereferences can lead to significant system instability, making it important to address.
Detailed information about CVE-2024-49918 can be found in the official CVE database and through security advisories related to the Linux kernel.
Related vulnerabilities
Recent vulnerabilities recorded for linux.
