Description

In the Linux kernel, the following vulnerability has been resolved: media: venus: fix use after free bug in venus_remove due to race condition in venus_probe, core->work is bound with venus_sys_error_handler, which is used to handle error. The code use core->sys_err_done to make sync work. The core->work is started in venus_event_notify. If we call venus_remove, there might be an unfished work. The possible sequence is as follows: CPU0 CPU1 |venus_sys_error_handler venus_remove | hfi_destroy | venus_hfi_destroy | kfree(hdev); | |hfi_reinit |venus_hfi_queues_reinit |//use hdev Fix it by canceling the work in venus_remove.

INFO

Published Date :

2024-10-21T18:02:27.142Z

Last Modified :

2025-11-03T22:24:00.609Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2024-49981 vulnerability.

Vendors Products
Linux
  • Linux Kernel

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