In the Linux kernel, the following vulnerability has been resolved:
spmi: mediatek: Fix UAF on device remove
The pmif driver data that contains the clocks is allocated along with
spmi_controller.
On device remove, spmi_controller will be freed first, and then devres
, including the clocks, will be cleanup.
This leads to UAF because putting the clocks will access the clocks in
the pmif driver data, which is already freed along with spmi_controller.
This can be reproduced by enabling DEBUG_TEST_DRIVER_REMOVE and
building the kernel with KASAN.
Fix the UAF issue by using unmanaged clk_bulk_get() and putting the
clocks before freeing spmi_controller.
References
Configurations
Configuration 1 (hide)
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History
No history.
Information
Published : 2024-03-06 07:15
Updated : 2025-03-14 18:58
NVD link : CVE-2023-52584
Mitre link : CVE-2023-52584
CVE.ORG link : CVE-2023-52584
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-416
Use After Free
