Vulnerability in ath10k driver during suspend for driver state RESTARTING
Summary
GSD-2022-1003609: ath10k: skip ath10k_halt during suspend for driver state RESTARTING. Affects Kernel versions < 8aa3750986ffcf73e0692db3b40dd3a8e8c0c575. No fix is published. How to fix ↓
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Background
The ath10k driver is a component of the Linux Kernel that provides support for Qualcomm Atheros 802.11ac wireless chipsets. It enables wireless communication on devices using these chipsets. The driver is responsible for managing the functionality and performance of the wireless network interface. However, a vulnerability has been identified in the driver when it is in the driver state RESTARTING during a suspend operation.
Vulnerability Detail
The vulnerability in the ath10k driver occurs when the driver is in the RESTARTING state during a suspend operation. During this state, the driver should halt its operations to ensure a clean restart. However, due to a coding error, the ath10k_halt function is skipped, leading to potential issues. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in Linux Kernel version v5.10.121 by commit 8aa3750986ffcf73e0692db3b40dd3a8e8c0c575.
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. The recommended approach is to update the Linux Kernel to the fixed version.
Conclusion
The vulnerability in the ath10k driver during suspend for driver state RESTARTING has been identified and fixed in Linux Kernel version v5.10.121. It is recommended to update the Linux Kernel to the fixed version to ensure the security and stability of the system. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The ath10k driver is a component of the Linux Kernel that provides support for Qualcomm Atheros 802.11ac wireless chipsets. It enables wireless communication on devices using these chipsets.
The impact of this vulnerability is not yet proven. However, it could potentially lead to issues during suspend operations when the driver is in the RESTARTING state.
Yes, this vulnerability has been fixed in Linux Kernel version v5.10.121 by commit 8aa3750986ffcf73e0692db3b40dd3a8e8c0c575.
To update the Linux Kernel, you can download the updated kernel source code from the official Linux Kernel repository and compile it for your system. Alternatively, you can check if your system's package manager provides an updated version and install it using the appropriate package management commands.
There is no specific workaround mentioned for this vulnerability. The recommended approach is to update the Linux Kernel to the fixed version.
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