net: dsa: fix a crash if ->get_sset_count() fails
Summary
GSD-2021-1000594: net: dsa: fix a crash if ->get_sset_count() fails. Affects Kernel versions >= badf3ada60ab8f76f9488dc8f5c0c57f70682f5a, < caff86f85512b8e0d9830e8b8b0dfe13c68ce5b6. No fix is published. How to fix ↓
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Background
The vulnerability affects the Kernel package in the Linux ecosystem. The Kernel is the core component of the operating system that manages system resources and provides an interface for applications to interact with the hardware. The specific vulnerability in the net subsystem of the Kernel can lead to a crash if the ->get_sset_count() function fails. This function is responsible for retrieving the number of statistics sets available for a network device. The vulnerability was introduced in version v4.7 of the Kernel and has been fixed in version v5.10.42.
Vulnerability Detail
The vulnerability occurs when the ->get_sset_count() function fails to retrieve the number of statistics sets for a network device. This can lead to a crash, potentially causing a denial-of-service (DoS) condition. The impact and attack plausibility of this vulnerability have not been proven. It is important to note that this vulnerability has been fixed in the Linux Kernel version v5.10.42.
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 net: dsa: fix a crash if ->get_sset_count() fails vulnerability in the Kernel package of the Linux ecosystem can lead to a system crash and potential denial-of-service (DoS) condition. It is crucial to update the Kernel to version v5.10.42 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The impact of this vulnerability is a potential crash of the system, leading to a denial-of-service (DoS) condition.
You can check if your system is affected by this vulnerability by verifying the version of the Linux Kernel installed. If the version is earlier than v5.10.42, your system may be vulnerable.
There are no known exploits for this vulnerability at the moment. However, it is still important to update the Kernel to the latest version to mitigate any potential risks.
The remote exploitability of this vulnerability has not been proven. However, it is recommended to update the Kernel to the latest version to ensure the system's security.
For more information about this vulnerability, you can refer to the provided references link in the vulnerability details section.
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