mld: fix panic in mld_newpack() - Kernel
Summary
GSD-2021-1000686: mld: fix panic in mld_newpack(). Affects Kernel versions >= 72e09ad107e78d69ff4d3b97a69f0aad2b77280f, < 17728616a4c85baf0edc975c60ba4e4157684d9a. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that provides core functionality and interfaces with hardware devices. It manages system resources, facilitates communication between software and hardware, and enables the execution of user programs. The mld_newpack() function within the Kernel is responsible for handling Multicast Listener Discovery (MLD) packets. MLD is a protocol used by IPv6 hosts to discover and manage multicast group memberships. However, a vulnerability exists in the mld_newpack() function that can lead to a panic, potentially causing a denial-of-service (DoS) condition or other unpredictable behavior.
Vulnerability Detail
The vulnerability in the mld_newpack() function of the Kernel allows an attacker to trigger a panic, leading to a system crash or other adverse effects. This vulnerability was introduced in version v2.6.35 of the Kernel and has been present until version v4.9.271. The exact impact and attack plausibility have not been proven yet. However, it is crucial to address this vulnerability to ensure system stability and prevent potential exploitation.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The mld_newpack() vulnerability in the Kernel can lead to system crashes or other adverse effects. It is crucial to update the Kernel to version v4.9.271 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability can range from a system crash (DoS) to other unpredictable behavior. However, the exact impact and attack plausibility have not been proven yet.
The vulnerability was introduced in version v2.6.35 of the Kernel and has been present until version v4.9.271.
No specific workaround has been provided for this vulnerability. It is recommended to update the Kernel to the fixed version.
You can find more information about this vulnerability in the Open Source Vulnerability Database (OSVDB) entry with ID GSD-2021-1000686.
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