Critical Overrun and Integer Overflow Vulnerability in Linux Kernel (CVE-2024-46728)
Summary
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 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
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Background
The Linux kernel is the core component of the Linux operating system, responsible for managing hardware resources and providing essential services to software applications. It is widely used across various platforms, including servers, desktops, and embedded systems. The kernel's stability and security are paramount, as vulnerabilities can lead to severe system compromises. This specific vulnerability affects the AMD display driver within the kernel, which is responsible for rendering graphics and managing display outputs.
Vulnerability Detail
CVE-2024-46728 is a vulnerability found in the Linux kernel's AMD display driver. It arises from the improper handling of the 'aux_rd_interval' variable, which has a defined size of 7. The vulnerability can lead to three overrun issues and one integer overflow, potentially allowing attackers to exploit these flaws to execute arbitrary code or cause system crashes. The oversight in checking the index before using 'aux_rd_interval' can lead to memory corruption, making it critical for users to address this vulnerability promptly.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
Currently, there are no specific workarounds provided for this vulnerability. The best course of action is to apply the kernel update as soon as it becomes available.
Conclusion
CVE-2024-46728 represents a significant vulnerability within the Linux kernel that affects the AMD display driver. Users are strongly advised to update their systems to the latest kernel version to mitigate the risks associated with this vulnerability. Regular monitoring and timely updates are essential for maintaining system security.
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FAQ
CVE-2024-46728 is a vulnerability in the Linux kernel's AMD display driver that can lead to memory corruption due to improper handling of the 'aux_rd_interval' variable.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Check your application against CVE-2024-46728 using the Vulert playground at Vulert Scanner.
Exploitation of this vulnerability could allow attackers to execute arbitrary code, crash the system, or gain unauthorized access to sensitive data.
Yes, a patch has been released for the Linux kernel. Users should update to the latest version to mitigate the risk.
While there are no specific workarounds, it is crucial to prioritize updating your kernel as soon as possible to protect against potential exploitation.
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