Sleeping function called from invalid context in isdn: mISDN
Summary
GSD-2021-1001871: isdn: mISDN: Fix sleeping function called from invalid context. Affects Kernel versions < f5966ba53013149bcf94e1536644a958dd00a026. No fix is published. How to fix ↓
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Background
The isdn package is a part of the Linux Kernel ecosystem and provides support for Integrated Services Digital Network (ISDN) devices. It includes the mISDN module, which is responsible for handling ISDN signaling and communication. The vulnerability in question involves a sleeping function being called from an invalid context within the mISDN module.
Vulnerability Detail
The vulnerability arises when a sleeping function is invoked from an invalid context within the mISDN module. This can lead to various issues, including potential security vulnerabilities. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been addressed in the Linux Kernel version v5.14.15 by commit f5966ba53013149bcf94e1536644a958dd00a026.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The isdn package, specifically the mISDN module, is vulnerable to a sleeping function being called from an invalid context. This vulnerability has been addressed in the Linux Kernel version v5.14.15. To mitigate the risk, it is crucial to update the kernel to the recommended version. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The isdn package is a component of the Linux Kernel ecosystem that provides support for Integrated Services Digital Network (ISDN) devices.
The mISDN module is a part of the isdn package and is responsible for handling ISDN signaling and communication.
The impact of this vulnerability is currently unknown, as the actual attack plausibility has not been proven. However, it is important to apply the fix to ensure the security and stability of the system.
To fix this vulnerability, update the Linux Kernel to version v5.14.15 or later by pulling the latest changes from the official Linux Kernel repository.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to address the issue.
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