Vulnerability in Kernel Package: mt76: mt7915: fix injected MPDU transmission to not use HW A-MSDU
Summary
GSD-2022-1001395: mt76: mt7915: fix injected MPDU transmission to not use HW A-MSDU. Affects Kernel versions < 64d50b03c3816c76d969116b25322a2be47868d3. No fix is published. How to fix ↓
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Background
The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services such as memory management, process scheduling, and device drivers. The mt76 module within the Kernel package is specifically related to MediaTek MT76x0 and MT76x2 wireless LAN drivers. These drivers enable wireless network connectivity on devices that utilize MediaTek's wireless chipsets. However, a vulnerability has been discovered in the mt7915 driver, which allows for injected MPDU (MAC Protocol Data Unit) transmission to use HW A-MSDU (Aggregate MAC Service Data Unit). This vulnerability can potentially be exploited by malicious actors to bypass security measures and compromise the integrity of the wireless network.
Vulnerability Detail
The vulnerability in the mt7915 driver allows for the transmission of injected MPDUs using HW A-MSDU. This means that an attacker could inject malicious packets into the wireless network, bypassing security measures that would normally detect and prevent such activity. By exploiting this vulnerability, an attacker may be able to execute arbitrary code, intercept sensitive information, or launch further attacks within the network. It is important to note that the impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability. It is advised to apply the recommended fix by updating the Kernel package to the latest version.
Conclusion
The vulnerability in the mt7915 driver of the Kernel package poses a potential security risk by allowing injected MPDUs to utilize HW A-MSDU. It is crucial to update the Kernel package to the latest version to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality.
The mt76 module is a wireless LAN driver within the Kernel package, specifically related to MediaTek MT76x0 and MT76x2 wireless chipsets.
HW A-MSDU stands for Hardware Aggregate MAC Service Data Unit. It is a mechanism used for aggregating multiple MAC Protocol Data Units (MPDUs) into a single transmission.
This vulnerability could allow attackers to inject malicious packets into the wireless network, potentially leading to the execution of arbitrary code, interception of sensitive information, or further network compromise.
To fix this vulnerability, it is recommended to update the Linux Kernel package to version v5.16.20 or later by applying the provided commit from the official Linux Kernel repository.
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