Use-After-Free Vulnerability in Linux Kernel's AMDGPU Driver
Summary
CVE-2024-38581: In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/mes: fix use-after-free issue Delete fence fallback timer to fix the ramdom use-after-free issue. 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 a core component of many operating systems, providing essential services for hardware management and system resources. The AMDGPU driver is specifically designed for AMD graphics cards, enabling efficient rendering and graphics processing. This driver is crucial for users relying on AMD hardware for gaming, professional graphics work, and general computing tasks. However, vulnerabilities in the kernel can lead to severe security risks, including system crashes and unauthorized access.
Vulnerability Detail
The vulnerability identified as CVE-2024-38581 is a use-after-free issue within the AMDGPU driver of the Linux kernel. This flaw arises from improper management of memory resources, specifically related to the deletion of fence fallback timers. When these timers are not correctly handled, it can lead to random memory access after the memory has been freed, potentially allowing an attacker to execute arbitrary code or cause a denial of service. The vulnerability has a CVSS score of 7.8, indicating a high severity level.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
Currently, there are no specific workarounds mentioned for this vulnerability. The best course of action is to apply the kernel updates as soon as they are available.
Conclusion
CVE-2024-38581 represents a significant security risk within the Linux kernel's AMDGPU driver, necessitating prompt action from users to update their systems. By following the outlined steps to fix the vulnerability, users can protect their systems from potential exploitation. Utilizing tools like Vulert can further enhance security by providing real-time monitoring for vulnerabilities.
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FAQ
CVE-2024-38581 is a use-after-free vulnerability in the AMDGPU driver of the Linux kernel, which can lead to arbitrary code execution or 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.
The CVSS score for CVE-2024-38581 is 7.8, indicating a high severity level.
While there are no specific workarounds, it is recommended to limit exposure to untrusted applications and networks until the kernel can be updated.
You can find more information on the official Linux kernel mailing lists, security advisories, and vulnerability databases.
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