IT

Tracker / CVE-2024-49981

CVE-2024-49981

High 7.8

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.

Affected products and versions

linux linux_kernel · 4.13 → 5.10.227
linux linux_kernel · 5.11 → 5.15.168
linux linux_kernel · 5.16 → 6.1.113
linux linux_kernel · 6.11 → 6.11.3
linux linux_kernel · 6.2 → 6.6.55
linux linux_kernel · 6.7 → 6.10.14

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References