Critical Vulnerability in Linux Kernel: Prohibition of Deactivating All Links
Summary
CVE-2024-58061: In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: prohibit deactivating all links In the internal API this calls this is a WARN_ON, but that should remain since internally we want to kno... 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 a core component of many operating systems, providing essential services for hardware management and system resources. It is renowned for its stability, performance, and flexibility, making it a popular choice for servers, desktops, and embedded systems. However, vulnerabilities can arise, impacting its functionality and security. The specific vulnerability in question pertains to the mac80211 subsystem, which manages wireless networking, and involves the improper handling of link deactivation.
Vulnerability Detail
The vulnerability identified as CVE-2024-58061 arises from the Linux kernel's mac80211 subsystem, which allows for the deactivation of all links through a debugfs write operation. This action is prohibited internally, as it could lead to system instability and potential security risks. The internal API raises a warning (WARN_ON) when this occurs, indicating a bug that needs to be addressed. If exploited, this vulnerability could result in unexpected behavior in wireless networking, potentially leading to denial of service or other security issues.
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. It is recommended to apply the patch as soon as it is available to mitigate any risks associated with this issue.
Conclusion
In summary, CVE-2024-58061 is a critical vulnerability in the Linux kernel that affects the mac80211 subsystem. It is essential for users to update their systems to the latest patched version to mitigate potential risks. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time.
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FAQ
CVE-2024-58061 is a vulnerability in the Linux kernel's mac80211 subsystem that prohibits the deactivation of all links, which could lead to system instability.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. By uploading your manifest file, such as package-lock.json, you can check for vulnerabilities without needing to install any software.
If exploited, this vulnerability could lead to unexpected behavior in wireless networking, potentially resulting in denial of service or other security issues.
Yes, users are advised to update their Linux kernel to the latest version, which includes a patch for this vulnerability.
You can update your Linux kernel by running 'sudo apt update' followed by 'sudo apt upgrade linux' in your terminal.
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