Vulnerability in ath10k driver during suspend for driver state RESTARTING
Summary
GSD-2022-1002818: ath10k: skip ath10k_halt during suspend for driver state RESTARTING. Affects Kernel versions < 5321e5211b5dc873e2e3d0deb749e69ecf4dbfe5. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The ath10k driver is a component of the Linux Kernel that provides support for Qualcomm Atheros 802.11ac wireless LAN (WLAN) devices. It is responsible for managing the communication between the WLAN hardware and the operating system. The driver is widely used in various Linux distributions and is crucial for enabling wireless connectivity on devices with Qualcomm Atheros WLAN chips.
Vulnerability Detail
The vulnerability identified in the ath10k driver occurs during the suspend process when the driver is in the RESTARTING state. During this state, the driver should skip the ath10k_halt function, which halts the WLAN hardware. However, due to a coding error, the function is not skipped, leading to potential issues during suspend and resume operations. While the impact and attack plausibility of this vulnerability have not been proven, it could potentially result in system instability, data corruption, or even privilege escalation if exploited by a malicious actor.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a workaround, users can avoid triggering the suspend process while the ath10k driver is in the RESTARTING state. This can be achieved by ensuring that any suspend operations are performed only when the driver is in a stable state, such as RUNNING or STOPPED. Additionally, users can monitor the driver state and delay the suspend operation until the driver transitions to a stable state.
Conclusion
The vulnerability in the ath10k driver during the suspend process for driver state RESTARTING has been identified and addressed in the Linux Kernel version v5.18.3. Users are advised to update their Linux Kernel to the latest version to mitigate the risk of potential issues. For further support on vulnerability remediation, you can reach out to DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The ath10k driver is a component of the Linux Kernel that provides support for Qualcomm Atheros 802.11ac wireless LAN (WLAN) devices.
The impact of this vulnerability is not yet proven, but it could potentially result in system instability, data corruption, or privilege escalation if exploited.
To fix this vulnerability, users should update their Linux Kernel to version v5.18.3 or later.
Yes, users can avoid triggering the suspend process while the ath10k driver is in the RESTARTING state.
For more information about this vulnerability, you can refer to the source link provided in the database_specific field of the vulnerability details.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
