vulnerability
Ubuntu: (CVE-2023-54053): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Dec 24, 2025 | Jan 6, 2026 | Jan 7, 2026 |
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
Solutions
References
- CVE-2023-54053
- https://attackerkb.com/topics/CVE-2023-54053
- URL-https://git.kernel.org/stable/c/0f9a1bcb94016d3a3c455a77b01f6bb06e15f6eb
- URL-https://git.kernel.org/stable/c/0fc0d287c1e7dcb39a3b9bb0f8679cd68c2156c7
- URL-https://git.kernel.org/stable/c/7545f21eee1356ec98581125c4dba9c4c0cc7397
- URL-https://git.kernel.org/stable/c/b655b9a9f8467684cfa8906713d33b71ea8c8f54
- URL-https://git.kernel.org/stable/c/dcd23aa6cc0ded7950b60ce1badb80b84045c6c0
- URL-https://git.kernel.org/stable/c/f6f2d16c77f936041b8ac495fceabded4ec6c83c
- URL-https://www.cve.org/CVERecord?id=CVE-2023-54053
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