Uninitialized Value in caif_seqpkt_sendmsg in Kernel
Summary
GSD-2021-1001375: net: fix uninit-value in caif_seqpkt_sendmsg. Affects Kernel versions >= bece7b2398d073d11b2e352405a3ecd3a1e39c60, < 452c3ed7bf63721b07bc2238ed1261bb26027e85. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system that provides core functionality and acts as a bridge between hardware and software. It manages system resources, facilitates communication between different software components, and ensures the overall stability and security of the system. The caif_seqpkt_sendmsg function in the Kernel is responsible for sending sequenced packets over the CAIF (Common Asynchronous Interface) protocol. This vulnerability in caif_seqpkt_sendmsg allows uninitialized values to be used, potentially leading to security issues.
Vulnerability Detail
The vulnerability in caif_seqpkt_sendmsg arises from the usage of uninitialized values. When certain conditions are met, uninitialized data can be accessed and used within the function, leading to unpredictable behavior and potential security vulnerabilities. Attackers may be able to exploit this vulnerability to gain unauthorized access, execute arbitrary code, or cause a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet.
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
The vulnerability in caif_seqpkt_sendmsg in the Kernel, which allows uninitialized values to be used, poses potential security risks. It is recommended to update the Linux Kernel to version v4.19.199 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven, but it could potentially allow attackers to gain unauthorized access, execute arbitrary code, or cause a denial-of-service condition.
You can use Vulert's playground at Vulert Scanner to check if your system is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities without requiring access to the code or installation.
Yes, a patch is available in the Linux Kernel version v4.19.199. It is recommended to update to this version or later to fix the vulnerability.
The remote exploitability of this vulnerability has not been determined yet. Further analysis is required to assess the potential for remote exploitation.
There are no known instances of this vulnerability being exploited at the moment. However, it is important to apply the patch and update the Kernel to mitigate any potential risks.
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