Critical Performance Monitor Vulnerability in Linux Kernel - CVE-2024-58086
Summary
CVE-2024-58086: In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Stop active perfmon if it is being destroyed If the active performance monitor (v3d->active_perfmon) is being destroyed, stop it first. Affects linux versions < 6.1.129-1. Fixed in 6.1.129-1. How to fix ↓
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Background
The Linux kernel is the core component of many operating systems, managing hardware and system resources. It provides essential services for all other parts of the operating system, including device drivers, system calls, and process management. The kernel's performance monitoring features, such as the v3d performance monitor, are crucial for developers to optimize applications and system performance. However, a recent vulnerability has been identified that could lead to instability in systems using the v3d performance monitor.
Vulnerability Detail
CVE-2024-58086 is a vulnerability in the Linux kernel's v3d performance monitor. The issue arises when the active performance monitor is being destroyed without first stopping it, which leaves the pointer to the active performance monitor stale. This can lead to undefined behavior and system instability, potentially affecting the reliability of applications that rely on the v3d performance monitor. The vulnerability was introduced in the kernel and was addressed in a patch that ensures the active performance monitor is stopped before destruction.
How To Fix
Minimum fixed version
6.1.129-1
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 mentioned for this vulnerability. The best course of action is to apply the patch as soon as it becomes available.
Conclusion
CVE-2024-58086 is a critical vulnerability in the Linux kernel that affects the v3d performance monitor, potentially leading to system instability. Users are advised to update their systems to the latest patched version to ensure security and reliability. Monitoring tools like Vulert can help keep track of vulnerabilities in your software.
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FAQ
CVE-2024-58086 is a vulnerability in the Linux kernel related to the v3d performance monitor that can lead to undefined behavior and system instability.
If your system uses the v3d performance monitor, this vulnerability could cause instability and affect the performance of applications relying on it.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
Yes, a patch has been released for the Linux kernel to address this vulnerability. Users are encouraged to update their systems to the latest version.
While there are no specific workarounds, it is crucial to plan for an update as soon as possible to mitigate the risks associated with this vulnerability.
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