CVE-2024-57984 (GCVE-0-2024-57984)
Vulnerability from cvelistv5
Published
2025-02-27 02:07
Modified
2025-05-04 10:07
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: i3c: dw: Fix use-after-free in dw_i3c_master driver due to race condition In dw_i3c_common_probe, &master->hj_work is bound with dw_i3c_hj_work. And dw_i3c_master_irq_handler can call dw_i3c_master_irq_handle_ibis function to start the work. If we remove the module which will call dw_i3c_common_remove to make cleanup, it will free master->base through i3c_master_unregister while the work mentioned above will be used. The sequence of operations that may lead to a UAF bug is as follows: CPU0 CPU1 | dw_i3c_hj_work dw_i3c_common_remove | i3c_master_unregister(&master->base) | device_unregister(&master->dev) | device_release | //free master->base | | i3c_master_do_daa(&master->base) | //use master->base Fix it by ensuring that the work is canceled before proceeding with the cleanup in dw_i3c_common_remove.
References
Impacted products
Vendor Product Version
Linux Linux Version: 1dd728f5d4d4b8b53196c1e0fcf86bbaaee39cef
Version: 1dd728f5d4d4b8b53196c1e0fcf86bbaaee39cef
Version: 1dd728f5d4d4b8b53196c1e0fcf86bbaaee39cef
Version: 1dd728f5d4d4b8b53196c1e0fcf86bbaaee39cef
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