Vulnerability in Kernel package: isdn: mISDN: Fix sleeping function called from invalid context
Summary
GSD-2021-1002013: isdn: mISDN: Fix sleeping function called from invalid context. Affects Kernel versions < 4054b869dc263228d30a4755800b78f0f2ba0c89. No fix is published. How to fix ↓
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Background
The Kernel package is a crucial component of the Linux operating system, responsible for managing the system's core functions and providing an interface between hardware and software. It is responsible for tasks such as process management, memory management, and device drivers. The vulnerability in question affects the isdn module within the Kernel package, specifically the mISDN component. mISDN is a modular ISDN (Integrated Services Digital Network) stack that provides support for ISDN hardware devices. The vulnerability arises from a sleeping function being called from an invalid context, which can lead to potential security risks.
Vulnerability Detail
The vulnerability in the isdn module of the Kernel package arises from a sleeping function being called from an invalid context. This can result in various security risks, although the exact impact and attack plausibility have not been proven. The vulnerability has been addressed in the Linux Kernel version v5.4.156 through commit 4054b869dc263228d30a4755800b78f0f2ba0c89. It is crucial to update to this version or later to mitigate the vulnerability.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability. The recommended course of action is to update the Linux Kernel package to the fixed version.
Conclusion
The vulnerability in the isdn module of the Kernel package has been addressed in the Linux Kernel version v5.4.156. It is crucial to update to this version or later to mitigate the vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel package is a crucial component of the Linux operating system, responsible for managing the system's core functions and providing an interface between hardware and software.
The isdn module is a component within the Kernel package that provides support for ISDN hardware devices.
mISDN is a modular ISDN stack within the isdn module of the Kernel package.
The exact impact of the vulnerability has not been proven, but it poses potential security risks.
To fix the vulnerability, update the Linux Kernel package to version v5.4.156 or later.
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