Linux Kernel Vulnerability CVE-2023-53048: Warning Triggered by Discover Identity Message
Summary
CVE-2023-53048: In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: fix warning when handle discover_identity message Since both source and sink device can send discover_identity message in PD3, kernel... Affects linux versions < 6.1.25-1. Fixed in 6.1.25-1. 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 stability, performance, and extensive support for various hardware architectures. However, like any complex software, it can have vulnerabilities. CVE-2023-53048 specifically affects the USB Type-C Port Manager (tcpm) within the kernel, which handles communication between devices over USB Type-C connections.
Vulnerability Detail
CVE-2023-53048 is a vulnerability in the Linux kernel's USB Type-C Port Manager that can trigger a warning when handling the discover_identity message. This occurs because both source and sink devices can send this message, leading to a potential race condition in the state machine. If the state machine does not handle the received message properly, it may result in a warning being logged, indicating that the system is in an unexpected state. This could lead to instability in the USB communication process, affecting device functionality.
How To Fix
Minimum fixed version
6.1.25-1
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. However, ensuring that the kernel is updated to the latest version will mitigate the issue.
Conclusion
CVE-2023-53048 is a notable vulnerability in the Linux kernel's USB Type-C Port Manager that can lead to warnings and potential instability in device communications. Users are encouraged to update their kernels to the latest patched version to mitigate this issue and maintain system reliability.
See every vulnerability recorded for linux →
FAQ
CVE-2023-53048 is a vulnerability in the Linux kernel that can cause warnings when handling discover_identity messages in USB Type-C communications.
The vulnerability may lead to instability in USB communications, potentially affecting the functionality of connected devices.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Yes, a patch is available in the form of kernel version 6.1.25-1. Users should update their kernel to this version to resolve the issue.
While there are no specific workarounds, it is advisable to monitor the situation and apply the patch as soon as possible to ensure system stability.
Related vulnerabilities
Recent vulnerabilities recorded for linux.
