Vulnerability in Kernel: mt76: mt7915: fix tx skb dma unmap
Summary
GSD-2021-1000254: mt76: mt7915: fix tx skb dma unmap. Affects Kernel versions >= 27d5c528a7ca08dcd44877fdd9fc08b76630bf77, < e2cdc9cb33c5963efe1a7c022753386f9463d1b7. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system, responsible for managing system resources and facilitating communication between hardware and software. It provides essential functionalities for the proper functioning of the system. The mt76 module within the Kernel is responsible for supporting MediaTek MT76x0 and MT76x2 wireless LAN drivers. These drivers enable wireless network connectivity on devices that utilize MediaTek chipsets. However, a vulnerability has been discovered in the mt7915 driver, which can lead to potential security issues.
Vulnerability Detail
The vulnerability in the mt7915 driver of the Kernel allows for an attacker to exploit a flaw related to the handling of transmit (tx) skb dma unmap. This vulnerability can potentially be leveraged to execute arbitrary code or trigger a denial-of-service (DoS) condition. The exact impact and attack plausibility have not been proven yet, but it is crucial to address this vulnerability to ensure the security and stability of the system.
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. It is advised to update the Kernel to the latest version as soon as possible to mitigate the risk.
Conclusion
The vulnerability in the mt7915 driver of the Kernel can pose potential security risks. It is crucial to update the Linux Kernel to version v5.12.4 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel is a fundamental component of the Linux operating system that manages system resources and facilitates communication between hardware and software.
The mt76 module is responsible for supporting MediaTek MT76x0 and MT76x2 wireless LAN drivers in the Linux Kernel, enabling wireless network connectivity on devices with MediaTek chipsets.
The impact of this vulnerability is not yet proven, but it has the potential to allow arbitrary code execution or trigger a denial-of-service condition.
To fix this vulnerability, update the Linux Kernel to version v5.12.4 or later, which includes the necessary patch to address the issue.
No specific workaround has been mentioned for this vulnerability. It is recommended to update the Kernel to the latest version.
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