CVE-2023-54053

wifi: iwlwifi: pcie: fix possible NULL pointer dereference

State: Published
Severity: Not scored
Published: Dec 24, 2025
Updated: May 11, 2026
Reserved: Dec 24, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

wifi: iwlwifi: pcie: fix possible NULL pointer dereference

It is possible that iwl_pci_probe() will fail and free the trans, then afterwards iwl_pci_remove() will be called and crash by trying to access trans which is already freed, fix it.

iwlwifi 0000:01:00.0: Detected crf-id 0xa5a5a5a2, cnv-id 0xa5a5a5a2 wfpm id 0xa5a5a5a2 iwlwifi 0000:01:00.0: Can't find a correct rfid for crf id 0x5a2 ... BUG: kernel NULL pointer dereference, address: 0000000000000028 ... RIP: 0010:iwl_pci_remove+0x12/0x30 [iwlwifi] pci_device_remove+0x3e/0xb0 device_release_driver_internal+0x103/0x1f0 driver_detach+0x4c/0x90 bus_remove_driver+0x5c/0xd0 driver_unregister+0x31/0x50 pci_unregister_driver+0x40/0x90 iwl_pci_unregister_driver+0x15/0x20 [iwlwifi] __exit_compat+0x9/0x98 [iwlwifi] __x64_sys_delete_module+0x147/0x260

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	809805a820c6445f7a701ded24fdc6bbc841d1e4 to before f6f2d16c77f936041b8ac495fceabded4ec6c83cAffected 809805a820c6445f7a701ded24fdc6bbc841d1e4 to before 0fc0d287c1e7dcb39a3b9bb0f8679cd68c2156c7Affected 809805a820c6445f7a701ded24fdc6bbc841d1e4 to before 7545f21eee1356ec98581125c4dba9c4c0cc7397Affected 809805a820c6445f7a701ded24fdc6bbc841d1e4 to before 0f9a1bcb94016d3a3c455a77b01f6bb06e15f6ebAffected 809805a820c6445f7a701ded24fdc6bbc841d1e4 to before dcd23aa6cc0ded7950b60ce1badb80b84045c6c0Affected 809805a820c6445f7a701ded24fdc6bbc841d1e4 to before b655b9a9f8467684cfa8906713d33b71ea8c8f54Affected
LinuxLinux	5.4Affected before 5.4Not affected 5.4.244 through 5.4.Not affected 5.10.181 through 5.10.Not affected 5.15.113 through 5.15.Not affected 6.1.30 through 6.1.Not affected 6.3.4 through 6.3.*Not affected 6.4 and laterNot affected

Product

Versions

LinuxLinux

809805a820c6445f7a701ded24fdc6bbc841d1e4 to before f6f2d16c77f936041b8ac495fceabded4ec6c83cAffected
809805a820c6445f7a701ded24fdc6bbc841d1e4 to before 0fc0d287c1e7dcb39a3b9bb0f8679cd68c2156c7Affected
809805a820c6445f7a701ded24fdc6bbc841d1e4 to before 7545f21eee1356ec98581125c4dba9c4c0cc7397Affected
809805a820c6445f7a701ded24fdc6bbc841d1e4 to before 0f9a1bcb94016d3a3c455a77b01f6bb06e15f6ebAffected
809805a820c6445f7a701ded24fdc6bbc841d1e4 to before dcd23aa6cc0ded7950b60ce1badb80b84045c6c0Affected
809805a820c6445f7a701ded24fdc6bbc841d1e4 to before b655b9a9f8467684cfa8906713d33b71ea8c8f54Affected

LinuxLinux

5.4Affected
before 5.4Not affected
5.4.244 through 5.4.*Not affected
5.10.181 through 5.10.*Not affected
5.15.113 through 5.15.*Not affected
6.1.30 through 6.1.*Not affected
6.3.4 through 6.3.*Not affected
6.4 and laterNot affected

References

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