Vulnerability in Kernel: perf_cgroup_switch() List Corruption
Summary
GSD-2022-1000529: perf: Fix list corruption in perf_cgroup_switch(). Affects Kernel versions >= 058fe1c0440e68a1ba3c2270ae43e9f0298b27d8, < 2142bc1469a316fddd10012d76428f7265258f81. No fix is published. 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 Kernel is a critical component of the Linux operating system that provides core functionality and interfaces with hardware devices. It manages system resources, facilitates communication between software and hardware, and ensures the stability and security of the system. One of the key features of the Kernel is performance monitoring, which allows users to analyze system performance using tools like 'perf'. The 'perf_cgroup_switch()' function is responsible for handling context switches between cgroups during performance monitoring. However, a vulnerability has been discovered in this function that can lead to list corruption.
Vulnerability Detail
The vulnerability in 'perf_cgroup_switch()' arises from a list corruption issue. When a context switch occurs between cgroups during performance monitoring, the list of cgroups can become corrupted, potentially leading to various security and stability issues. The exact impact and attack vectors of this vulnerability have not been proven yet. However, it is crucial to address this issue to ensure the integrity and reliability of the Kernel.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
No specific workaround has been mentioned for this vulnerability. The recommended approach is to update the Kernel to the fixed version.
Conclusion
The vulnerability in 'perf_cgroup_switch()' can lead to list corruption, potentially compromising the security and stability of the Kernel. It is crucial to update the Linux Kernel to version v5.16.10 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The Kernel is a critical component of the Linux operating system that provides core functionality and interfaces with hardware devices.
'perf' is a performance monitoring tool in Linux, and 'perf_cgroup_switch()' is a function within the Kernel responsible for handling context switches between cgroups during performance monitoring.
List corruption refers to a situation where the integrity of a linked list data structure is compromised, leading to unexpected behavior and potential security vulnerabilities.
The list corruption in 'perf_cgroup_switch()' can result in security vulnerabilities and stability issues within the Kernel, potentially allowing for unauthorized access or system instability.
You can use Vulert's playground at Vulert Scanner to check if your system is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities without requiring access to the code or installation.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
