Sleep-in-atomic bug in PM: domains package
Summary
GSD-2022-1001904: PM: domains: Fix sleep-in-atomic bug caused by genpd_debug_remove(). Affects Kernel versions >= 718072ceb211833f3c71724f49d733d636067191, < 2039163c30f886cf5638afd6993705ae9bb34a06. No fix is published. How to fix ↓
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Background
The PM: domains package is a component of the Linux Kernel that manages power domains. Power domains are groups of devices that can be powered on or off together to conserve energy. The package provides functionality for managing the power state of these domains. The vulnerability in question is related to a sleep-in-atomic bug caused by the genpd_debug_remove() function.
Vulnerability Detail
The sleep-in-atomic bug in the PM: domains package is caused by the genpd_debug_remove() function. This bug can lead to sleep operations being performed in atomic context, which is not allowed and can result in system instability. The bug was introduced in version v5.11 of the Linux Kernel and has been fixed in version v5.15.33. 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
There is no specific workaround mentioned for this vulnerability.
Conclusion
The sleep-in-atomic bug in the PM: domains package of the Linux Kernel has the potential to cause system instability. It is recommended to update the Kernel to version v5.15.33 or later to fix this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The PM: domains package is a component of the Linux Kernel that manages power domains. Power domains are groups of devices that can be powered on or off together to conserve energy.
A sleep-in-atomic bug occurs when a sleep operation is performed in an atomic context, which is not allowed and can result in system instability.
The impact and attack plausibility of this vulnerability have not been proven yet. However, if successfully exploited, it could lead to system instability.
Yes, this vulnerability has been fixed in version v5.15.33 of the Linux Kernel.
For more details about this vulnerability, you can refer to the source link provided in the database_specific section of the vulnerability details.
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