Resource Leak in Linux Kernel's MCTP Initialization - CVE-2022-49854
Summary
CVE-2022-49854: In the Linux kernel, the following vulnerability has been resolved: mctp: Fix an error handling path in mctp_init() If mctp_neigh_init() return error, the routes resources should be released in the error handling path. Affects linux versions < 6.0.10-1. Fixed in 6.0.10-1. 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, providing essential services for hardware and software interaction. It is known for its robustness and versatility, supporting a wide range of devices and applications. However, like any complex software, it is susceptible to vulnerabilities that can affect system stability and security. CVE-2022-49854 specifically addresses an issue within the MCTP (Management Component Transport Protocol) initialization process, which is crucial for managing communication between components in a system.
Vulnerability Detail
CVE-2022-49854 is a vulnerability in the Linux kernel that arises from improper error handling in the mctp_init() function. If the mctp_neigh_init() function fails, the resources allocated for routing are not released, leading to a resource leak. This can result in degraded system performance and potential denial of service as resources become exhausted. The vulnerability affects Debian versions 12 and 13 of the Linux package, with a fixed version available to mitigate the issue.
How To Fix
Minimum fixed version
6.0.10-1
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 is available.
Conclusion
CVE-2022-49854 is a critical vulnerability in the Linux kernel that can lead to resource leaks if not addressed. It is essential for users of Debian versions 12 and 13 to update their Linux packages to the patched version to ensure system stability and security. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.
See every vulnerability recorded for linux →
FAQ
CVE-2022-49854 is a vulnerability in the Linux kernel related to improper error handling in the MCTP initialization process, leading to potential resource leaks.
This vulnerability can lead to resource leaks, which may degrade system performance and potentially cause denial of service as resources become exhausted.
The vulnerability affects Debian versions 12 and 13 of the Linux package.
You can protect your system by updating the Linux package to version 6.0.10-1 or later, which contains the fix for this vulnerability.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. You can check if your application is affected by using the Vulert playground at Vulert Scanner without any signup.
Related vulnerabilities
Recent vulnerabilities recorded for linux.
