Critical Vulnerability in Linux Kernel: drm/amd/display Index Check Issue
Summary
DEBIAN-CVE-2024-46728: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check index for aux_rd_interval before using aux_rd_interval has size of 7 and should be checked. Affects linux versions < 6.10.9-1. Fixed in 6.10.9-1. How to fix ↓
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Background
The Linux kernel is the core component of many operating systems, providing essential services for hardware management and system resources. It is known for its robustness and versatility, supporting a wide range of devices and architectures. However, vulnerabilities can arise, impacting system security and stability. This specific vulnerability affects the drm/amd/display subsystem, which is responsible for managing display outputs in AMD graphics hardware.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the drm/amd/display module where the index for aux_rd_interval is not properly checked before use. The aux_rd_interval has a size of 7, and failing to validate this index can lead to memory overrun and integer overflow issues. This vulnerability has been reported by Coverity and can potentially allow an attacker to exploit the system, leading to unauthorized access or system crashes.
How To Fix
Minimum fixed version
6.10.9-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade linuxTip — Not sure which version your app runs? Vulert can match this fix to it. 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
The vulnerability identified in the Linux kernel's drm/amd/display module poses significant risks due to improper index checking. Users are strongly advised to update to the patched version to safeguard their systems. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time, ensuring ongoing security.
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FAQ
The vulnerability involves improper index checking in the drm/amd/display module of the Linux kernel, which can lead to memory overrun and integer overflow.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected by this vulnerability.
If exploited, this vulnerability could allow attackers to gain unauthorized access to the system or cause it to crash, compromising system integrity and availability.
Yes, a patch has been released in version 6.10.9-1 of the Linux package. It is recommended to update to this version to mitigate the risk.
While there are no specific workarounds, it is crucial to prioritize updating your system as soon as possible to protect against potential exploits.
References
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