CVE-2024-50061 (GCVE-0-2024-50061)

Vulnerability from cvelistv5 – Published: 2024-10-21 19:39 – Updated: 2025-11-03 19:31
VLAI?
Title
i3c: master: cdns: Fix use after free vulnerability in cdns_i3c_master Driver Due to Race Condition
Summary
In the Linux kernel, the following vulnerability has been resolved: i3c: master: cdns: Fix use after free vulnerability in cdns_i3c_master Driver Due to Race Condition In the cdns_i3c_master_probe function, &master->hj_work is bound with cdns_i3c_master_hj. And cdns_i3c_master_interrupt can call cnds_i3c_master_demux_ibis function to start the work. If we remove the module which will call cdns_i3c_master_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 | cdns_i3c_master_hj cdns_i3c_master_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 cdns_i3c_master_remove.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0 , < 2a21bad9964c91b34d65ba269914233720c0b1ce (git)
Affected: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0 , < ea0256e393e0072e8c80fd941547807f0c28108b (git)
Affected: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0 , < 687016d6a1efbfacdd2af913e2108de6b75a28d5 (git)
Affected: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0 , < 609366e7a06d035990df78f1562291c3bf0d4a12 (git)
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    Linux Linux Affected: 5.0
Unaffected: 0 , < 5.0 (semver)
Unaffected: 6.1.129 , ≤ 6.1.* (semver)
Unaffected: 6.6.57 , ≤ 6.6.* (semver)
Unaffected: 6.11.4 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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