In the Linux kernel, the following vulnerability has been...
Unreviewed
Published
Apr 10, 2024
to the GitHub Advisory Database
•
Updated Apr 10, 2024
Description
Published by the National Vulnerability Database
Apr 10, 2024
Published to the GitHub Advisory Database
Apr 10, 2024
Last updated
Apr 10, 2024
In the Linux kernel, the following vulnerability has been resolved:
clk: sunxi-ng: Unregister clocks/resets when unbinding
Currently, unbinding a CCU driver unmaps the device's MMIO region, while
leaving its clocks/resets and their providers registered. This can cause
a page fault later when some clock operation tries to perform MMIO. Fix
this by separating the CCU initialization from the memory allocation,
and then using a devres callback to unregister the clocks and resets.
This also fixes a memory leak of the
struct ccu_reset
, and uses thecorrect owner (the specific platform driver) for the clocks and resets.
Early OF clock providers are never unregistered, and limited error
handling is possible, so they are mostly unchanged. The error reporting
is made more consistent by moving the message inside of_sunxi_ccu_probe.
References