Vulnerability in Kernel Package: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port
Summary
GSD-2021-1000957: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port. Affects Kernel versions >= 3ed8e1c2ac9914a2fcb08ec13476b85319536cea, < 18eaf0de50eadeeb395b83310b259b21ad8ed0a6. No fix is published. How to fix ↓
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Background
The Kernel package is a crucial component of the Linux operating system. It provides the core functionality and acts as an interface between the hardware and software layers. The usb: typec: tcpm module within the Kernel package handles USB Type-C port management. It is responsible for managing the communication and negotiation between Type-C devices. This vulnerability specifically affects the tcpm port unregister process.
Vulnerability Detail
The vulnerability arises from a failure to cancel the VDM (Virtual Display Manager) and state machine hrtimer when unregistering the tcpm port. This oversight can lead to a variety of potential security issues. An attacker may be able to exploit this vulnerability to execute arbitrary code, escalate privileges, or cause a denial-of-service condition. The vulnerability was introduced in version v5.10 of the Linux Kernel and has been fixed in version v5.10.44.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
In conclusion, the Kernel package's usb: typec: tcpm module is vulnerable to a security issue that can be exploited to execute arbitrary code, escalate privileges, or cause a denial-of-service condition. It is crucial to update the Linux Kernel package to version v5.10.44 or later to mitigate this vulnerability. For further support and assistance with vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability can potentially allow attackers to execute arbitrary code, escalate privileges, or cause a denial-of-service condition.
The vulnerability was introduced in version v5.10 and affects all versions up to v5.10.43.
You can use the Vulert 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 provide real-time alerts for open-source vulnerabilities.
Yes, a patch is available in version v5.10.44 of the Linux Kernel. It is recommended to update to this version to fix the vulnerability.
You can find more information about this vulnerability in the GSD database entry: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1000xxx/GSD-2021-1000957.json
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