Vulnerability in Linux Kernel: drivers: ethernet: cpsw
Summary
GSD-2022-1001504: drivers: ethernet: cpsw: fix panic when interrupt coaleceing is set via ethtool. Affects Kernel versions >= d43c65b05b848e0b2db1a6c78b02c189da3a95b5, < 459080fab12b23c0526026e5cedbf3fabb5457cc. No fix is published. How to fix ↓
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Background
The Linux Kernel is the core component of the Linux operating system, responsible for managing system resources and providing essential functionality. The drivers/ethernet/cpsw module is a driver for the Ethernet Controller Subsystem with Switch (CPSW) found in various Texas Instruments SoCs. It enables network communication over Ethernet connections. However, a vulnerability has been discovered in this module that can lead to a system panic when interrupt coalescing is set via ethtool.
Vulnerability Detail
The vulnerability in the drivers/ethernet/cpsw module of the Linux Kernel allows an attacker to trigger a system panic by setting interrupt coalescing via ethtool. This can be exploited to disrupt network communication and potentially cause a denial-of-service (DoS) condition. The vulnerability was introduced in version v5.15 of the Linux Kernel and has been fixed in version v5.16.19.
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 the Linux Kernel's drivers/ethernet/cpsw module can lead to a system panic and disrupt network communication. It is crucial to update the Linux Kernel to version v5.16.19 or later to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to a system panic and disrupt network communication, potentially causing a denial-of-service (DoS) condition.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and the Vulert Playground will analyze it for any open-source vulnerabilities, including this one.
Yes, the vulnerability has been fixed in version v5.16.19 of the Linux Kernel. It is recommended to update to this version or a later one to mitigate the risk.
The exact details of remote exploitation have not been provided in the vulnerability report. However, as the vulnerability affects network communication, it is possible that remote exploitation may be feasible.
There is no information available regarding any known instances of this vulnerability being actively exploited.
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