Vulnerability in mt76: connac when adding monitor interface

Kernel Updated 02 Oct 2025

Summary

31/05/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1000253: mt76: connac: fix kernel warning adding monitor interface. Affects Kernel versions >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8, < 2554b9cb4b5e097c6071ec3ed5bc7c665c477ca7. No fix is published. How to fix ↓

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Background

The mt76 package is a driver for MediaTek MT76x0e, MT76x2e, MT7603, MT7615, and MT7663 wireless LAN chipsets. It provides support for various Wi-Fi functionalities on Linux systems. The connac component within mt76 is responsible for managing connections and network interfaces. However, a vulnerability has been identified when adding a monitor interface.

Vulnerability Detail

The vulnerability in mt76: connac occurs when adding a monitor interface. This issue was introduced in version v5.12 of the Linux Kernel by commit d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 and is fixed in version v5.12.4 by commit 2554b9cb4b5e097c6071ec3ed5bc7c665c477ca7. When this vulnerability is present, it can lead to kernel warnings and potentially impact the stability and security of the system. The exact attack vectors and consequences have not been proven yet.

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 mt76: connac when adding a monitor interface can potentially impact the stability and security of the system. It is recommended to update the Linux Kernel to version v5.12.4 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.

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