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Debian: CVE-2024-49981: linux, linux-6.1 -- security update

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Debian: CVE-2024-49981: linux, linux-6.1 -- security update

Severity
7
CVSS
(AV:L/AC:M/Au:S/C:C/I:C/A:C)
Published
10/21/2024
Created
11/12/2024
Added
11/11/2024
Modified
01/28/2025

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: CPU0CPU1 |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.

Solution(s)

  • debian-upgrade-linux
  • debian-upgrade-linux-6-1

References

  • https://attackerkb.com/topics/cve-2024-49981
  • CVE - 2024-49981
  • DLA-4008-1
  • 查看数 694
  • 已创建
  • 最后回复

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