Critical Vulnerability in Linux Kernel: Device Management Command Timeout
Summary
CVE-2023-53387: In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix device management cmd timeout flow In the UFS error handling flow, the host will send a device management cmd (NOP OUT) to the devi... Affects linux versions 5.10.103-1 – 6.9.9-1. 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 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 security features. However, vulnerabilities can arise, impacting its reliability. This specific vulnerability affects the UFS (Universal Flash Storage) error handling flow, which is crucial for managing device commands and ensuring system stability.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the UFS error handling flow. When a device management command (NOP OUT) times out and the doorbell clearing fails, the function ufshcd_wait_for_dev_cmd() does not properly handle the situation, leading to a potential crash. This occurs because the complete struct, allocated on the stack, is not set to NULL, resulting in a call to complete() in __ufshcd_transfer_req_compl() when the command has been completed by the device. This can lead to a system panic and crash, affecting system availability and reliability.
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
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
The CVE-2023-53387 vulnerability in the Linux kernel poses a significant risk due to its potential to cause system crashes. Users are strongly advised to update their kernel to the patched version 6.1.20-1 to ensure system stability and security. Regular monitoring of vulnerabilities using tools like Vulert can help maintain a secure environment.
See every vulnerability recorded for linux →
FAQ
CVE-2023-53387 is a critical vulnerability in the Linux kernel related to the UFS error handling flow, which can lead to system crashes.
If exploited, this vulnerability can cause system panics and crashes, leading to potential downtime and data loss.
Versions prior to 6.1.20-1 in Debian 12, 13, and 14 are affected. Users should check their kernel version to determine if they need to update.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software by simply using a manifest file like package-lock.json. Visit Vulert Scanner to check your application without signup.
While there are no specific workarounds, it is crucial to plan for an update as soon as possible to mitigate the risk of exploitation.
Related vulnerabilities
Recent vulnerabilities recorded for linux.
