Critical Resource Management Issue in Linux Kernel: CVE-2023-53170
Summary
DEBIAN-CVE-2023-53170: In the Linux kernel, the following vulnerability has been resolved: net: dsa: Removed unneeded of_node_put in felix_parse_ports_node Remove unnecessary of_node_put from the continue path to prevent child node from being... Affects linux versions < 6.4.11-1. Fixed in 6.4.11-1. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The Linux kernel is the core component of many operating systems, responsible for managing hardware and system resources. It provides essential services for all other parts of the operating system. The kernel is known for its stability and performance, but like any complex software, it is susceptible to vulnerabilities. This specific issue, CVE-2023-53170, pertains to the Linux kernel's handling of device tree nodes, which are crucial for managing hardware configurations.
Vulnerability Detail
CVE-2023-53170 is a vulnerability found in the Linux kernel related to the handling of device tree nodes in the DSA (Distributed Switch Architecture) subsystem. The issue arises from an unnecessary call to 'of_node_put' in the 'felix_parse_ports_node' function, which can lead to a child node being released multiple times. This can result in resource leaks or other unexpected behaviors, potentially compromising system stability and security.
How To Fix
Minimum fixed version
6.4.11-1
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 provided for this vulnerability. The best course of action is to apply the patch as soon as it is available.
Conclusion
CVE-2023-53170 is a significant vulnerability in the Linux kernel that requires immediate attention. Users are advised to update their systems to the latest patched version to mitigate potential risks. Regular monitoring and timely updates are essential for maintaining system security.
See every vulnerability recorded for linux →
FAQ
CVE-2023-53170 is a vulnerability in the Linux kernel that involves improper handling of device tree nodes, which can lead to resource leaks.
If exploited, this vulnerability could lead to system instability or unexpected behaviors, potentially affecting the performance and security of your system.
Yes, a patch is available in version 6.4.11-1 of the Linux package. It is recommended to update to this version or later.
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.
While there are no specific workarounds, it is crucial to monitor your system for any unusual behavior and plan to apply the patch as soon as possible.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
