** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1855337
Title:
CONFIG_DEBUG_NOTIFIERS should be enabled
Status in linux package in Ubuntu:
Fix Committed
Bug description:
We should enable CONFIG_DEBUG_NOTIFIERS to ensure that notifier functions are
present in the core kernel text or module text sections before calling
those functions.
If an invalid function pointer is detected, a warning is issued and
the function is not called. This helps in attack prevention and
detection.
This config option is recommended by the Kernel Self Protection
Project[1].
[1]
https://kernsec.org/wiki/index.php/Kernel_Self_Protection_Project/Recommended_Settings
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