Vulnerability in Kernel package: serial: 8250: Fix PM usage_count for console handover
Summary
GSD-2022-1004155: serial: 8250: Fix PM usage_count for console handover. Affects Kernel versions >= bedb404e91bb2908d9921fc736a518a9d89525fc, < 5df66302f03f87ae8953785a882d78e911f00c55. 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 package is a critical component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services such as process management, memory management, and device drivers. The serial: 8250 module within the Kernel package handles the communication between the system and serial devices. This vulnerability specifically affects the PM (Power Management) usage_count for console handover functionality.
Vulnerability Detail
The vulnerability arises from an issue in the serial: 8250 module's PM usage_count for console handover. The PM usage_count is not properly managed during the handover process, leading to potential security risks. Although the impact and attack plausibility have not been proven, this vulnerability could potentially be exploited to gain unauthorized access or disrupt system operations. The vulnerability was introduced in version v5.7 of the Linux Kernel and has been fixed in version v5.18.13.
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 provided for this vulnerability.
Conclusion
In conclusion, the Kernel package's serial: 8250 module is vulnerable to a PM usage_count issue during console handover. While the impact and attack plausibility have not been proven, it is recommended to update the Linux Kernel package to version v5.18.13 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The impact of this vulnerability is not yet proven, but it could potentially allow unauthorized access or disrupt system operations.
You can use Vulert's playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground and it will alert you in real-time if the vulnerability is present.
No known exploit for this vulnerability has been reported at this time.
The recommended mitigation is to update the Linux Kernel package to version v5.18.13 or later, which includes the fix for this vulnerability.
You can find more information about this vulnerability in the Cloud Security Alliance's GSD database: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1004xxx/GSD-2022-1004155.json
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
