Vulnerability in Kernel: net, neigh
Summary
GSD-2022-1000674: net, neigh: Do not trigger immediate probes on NUD_FAILED from neigh_managed_work. Affects Kernel versions >= 7482e3841d520a368426ac196720601687e2dc47, < 203a35ebb49cdce377416b0690215d3ce090d364. 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 ensures the security and stability of the system. The 'net' and 'neigh' modules within the Kernel handle network-related tasks and manage neighbor entries respectively. These modules play a crucial role in maintaining network connectivity and routing.
Vulnerability Detail
The vulnerability identified in the 'net, neigh' modules allows immediate probes to be triggered on NUD_FAILED from neigh_managed_work. This behavior can potentially lead to performance issues and network instability. An attacker could exploit this vulnerability to disrupt network operations or launch denial-of-service attacks. The vulnerability was introduced in Linux Kernel version v5.16 and has been fixed in version v5.16.8 by commit 203a35ebb49cdce377416b0690215d3ce090d364.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
The vulnerability in the 'net, neigh' modules of the Kernel can have significant implications for network stability and performance. It is crucial to update the Linux Kernel to the fixed version to mitigate the risks associated with this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability can lead to performance issues and network instability. An attacker could exploit it to disrupt network operations or launch denial-of-service attacks.
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, using just a manifest file like package-lock.json.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to apply the recommended fix to mitigate any potential risks.
Yes, this vulnerability can be exploited remotely if the affected system is accessible over a network.
The recommended solution is to update the Linux Kernel to the latest version. Alternative solutions may not provide the same level of security and may not address the root cause of the vulnerability.
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