Vulnerability in mt76: mt7615 package - Fix for tx skb dma unmap
Summary
GSD-2021-1000361: mt76: mt7615: fix tx skb dma unmap. Affects Kernel versions >= 27d5c528a7ca08dcd44877fdd9fc08b76630bf77, < 75bc5f779a7664d1fc19cb915039439c6e58bb94. No fix is published. How to fix ↓
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Background
The mt76: mt7615 package is a component of the Linux Kernel ecosystem. It provides support for the MediaTek MT7615 wireless chipset. This chipset is commonly used in various Wi-Fi devices. The package includes drivers and firmware necessary for the proper functioning of the chipset. However, a vulnerability has been discovered in the package that could potentially be exploited by attackers.
Vulnerability Detail
The vulnerability in the mt76: mt7615 package relates to the handling of transmit (tx) skb dma unmap. It was introduced in version v5.10 of the Linux Kernel by commit 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 and affects all subsequent versions until v5.10.37, where it was fixed by commit 75bc5f779a7664d1fc19cb915039439c6e58bb94. The exact impact and attack plausibility of this vulnerability have not been proven yet. However, it is important to address this issue to ensure the security and stability of systems utilizing the mt7615 chipset.
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 mt76: mt7615 package related to tx skb dma unmap can potentially pose security risks to systems utilizing the mt7615 chipset. It is crucial to update the Linux Kernel to version v5.10.37 or later to mitigate this vulnerability. If you have any further questions or need assistance with vulnerability remediation, please contact DevNack.com.
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FAQ
The exact impact of this vulnerability is yet to be determined. However, it is important to address it to ensure the security and stability of systems utilizing the mt7615 chipset.
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 it will provide real-time alerts for open-source vulnerabilities.
As of now, there is no known exploit for this vulnerability. However, it is always recommended to apply security patches and updates to mitigate potential risks.
The recommended solution is to update the Linux Kernel to version v5.10.37 or later. However, if updating is not feasible, you can consider implementing additional security measures, such as network segmentation and access controls, to reduce the risk of exploitation.
You can find more information about this vulnerability in the official Linux Kernel repository. Additionally, you can reach out to info@devnack.com for further support and guidance on vulnerability remediation.
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