3.8
Low
CVE-2023-52584 In the Linux kernel, the following vulnerability has been resolved: spmi: mediatek: Fix UAF on device remove The pmif…
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 6.8 | earliest → < 6.8 | 6.8 |
| Linux 6.7 | earliest → < 6.7.4 | 6.7.4 |
| Linux 6.6 | earliest → < 6.6.16 | 6.6.16 |
| Linux 6.1 | earliest → < 6.1.77 | 6.1.77 |
| Linux | 5.17 | No fix stated |
| kernel 6.8 | earliest → < 6.8 | 6.8 |
| kernel 6.7 | earliest → < 6.7.4 | 6.7.4 |
| kernel 6.6 | earliest → < 6.6.16 | 6.6.16 |
| kernel 6.1 | earliest → < 6.1.77 | 6.1.77 |
Show the other branch Hide the other branch
| Product | Affected versions | Fixed in |
|---|---|---|
| kernel 1 | 1da177e4c3f4 → latest | 521f28eedd6b |
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