Vulnerability in Kernel package: isdn: mISDN: Fix sleeping function called from invalid context
Summary
GSD-2021-1001984: isdn: mISDN: Fix sleeping function called from invalid context. Affects Kernel versions < a5b34409d3fc52114c828be4adbc30744fa3258b. No fix is published. How to fix ↓
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Background
The Kernel package is a critical component of the Linux operating system. It provides the core functionality and interfaces for various hardware and software components. The isdn module within the Kernel package is responsible for handling Integrated Services Digital Network (ISDN) connections. It allows users to connect to ISDN networks and utilize the associated services. However, a vulnerability has been discovered in the isdn module that could potentially be exploited by attackers.
Vulnerability Detail
The vulnerability in the isdn module of the Kernel package is related to a sleeping function being called from an invalid context. This can lead to various issues, including system instability, crashes, or potential privilege escalation. Attackers may be able to exploit this vulnerability to execute arbitrary code or gain elevated privileges on the affected system. The vulnerability has been addressed in the Linux Kernel version v4.19.214 by commit a5b34409d3fc52114c828be4adbc30744fa3258b.
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. It is crucial to update the Kernel package to the fixed version as soon as possible to mitigate the risk.
Conclusion
The vulnerability in the isdn module of the Kernel package can have serious consequences, including system instability and potential privilege escalation. It is crucial to update the Kernel package to the fixed version as soon as possible to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can potentially lead to system instability, crashes, or privilege escalation, allowing attackers to execute arbitrary code or gain elevated privileges.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) and the Vulert Playground will provide real-time alerts for open-source vulnerabilities, including this one.
At the time of this report, no known exploits have been reported for this vulnerability. However, it is important to apply the fix promptly to minimize the risk of potential exploitation.
It is recommended to update the entire Kernel package to the fixed version. Manually patching the vulnerability without updating the entire package may not provide complete protection and could introduce compatibility or stability issues.
You can refer to the vulnerability details in the Open Source Vulnerability format at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/GSD-2021-1001984.json for more information about this vulnerability.
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