Mutex Lock Error in Linux Kernel: CVE-2023-53122
Summary
CVE-2023-53122: Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. Affects linux versions < 6.1.37-1. Fixed in 6.1.37-1. How to fix ↓
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Background
The Linux kernel is the core component of many operating systems, providing essential services for all other parts of the system. It manages hardware resources, system calls, and process scheduling. The kernel is crucial for system stability and performance. This vulnerability specifically affects the RISC-V architecture, where a coding error in the SiFive errata patching process can lead to critical system failures.
Vulnerability Detail
CVE-2023-53122 is a vulnerability in the Linux kernel caused by an incorrect implementation of mutex locks during the SiFive errata patching process. The error arises from mistakenly using two mutex_lock() calls instead of a mutex_lock() followed by a mutex_unlock(). This can lead to a kernel NULL pointer dereference, resulting in system crashes and instability. The vulnerability can cause severe errors, including inability to handle kernel operations, which can disrupt system functionality.
How To Fix
Minimum fixed version
6.1.37-1
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 risks.
Conclusion
CVE-2023-53122 is a critical vulnerability in the Linux kernel that can lead to severe system instability due to improper mutex handling. It is essential to update to the latest patched versions to ensure system security and functionality.
See every vulnerability recorded for linux →
FAQ
CVE-2023-53122 is a vulnerability in the Linux kernel related to incorrect mutex lock handling during SiFive errata patching, leading to potential system crashes.
The vulnerability affects Linux versions prior to 6.1.37-1 for Debian 12 and 6.3.7-1 for Debian 13.
You can use tools like Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected.
Exploiting this vulnerability can lead to kernel NULL pointer dereference errors, causing system instability and crashes.
Currently, there are no known workarounds. The best approach is to update to the patched version as soon as possible.
References
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