Buffer Overflow Vulnerability in Linux Kernel - CVE-2024-57998
Summary
CVE-2024-57998: In the Linux kernel, the following vulnerability has been resolved: OPP: add index check to assert to avoid buffer overflow in _read_freq() Pass the freq index to the assert function to make sure we do not read a freq ou... 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, providing essential services for hardware and software interaction. It is known for its robustness and versatility, supporting a wide range of devices and architectures. However, vulnerabilities can arise, such as CVE-2024-57998, which affects the kernel's ability to manage frequency settings safely.
Vulnerability Detail
CVE-2024-57998 is a buffer overflow vulnerability in the Linux kernel's OPP (Operating Performance Points) subsystem. This issue occurs when the frequency index is not properly checked, allowing for potential out-of-bounds reads from the opp->rates[] table. If exploited, this could lead to system instability, crashes, or unauthorized access to sensitive data. The vulnerability originates from the assert function not validating the frequency index when called from indexed variants, which could be manipulated by an attacker.
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 recommended for this vulnerability. The best course of action is to apply the patch as soon as it becomes available.
Conclusion
CVE-2024-57998 is a significant vulnerability in the Linux kernel that poses risks of buffer overflow and system instability. Users are strongly advised to update their systems to the patched version to ensure security and stability. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
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FAQ
CVE-2024-57998 is a buffer overflow vulnerability in the Linux kernel that can lead to system instability and potential data exposure.
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.
The risks include system crashes, instability, and unauthorized access to sensitive information, which could compromise system security.
Yes, a patch has been released. Users should update their Linux kernel to the latest version to mitigate this vulnerability.
While there are no specific workarounds, it is crucial to prioritize updating your kernel as soon as possible to protect against potential exploits.
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