CVE-2023-54053
wifi: iwlwifi: pcie: fix possible NULL pointer dereference
- Published
- Updated
- Reserved
- Assigned by
- Linux
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
Timeline
ID reserved
By Linux
Published
- 5 months later
· 5 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Deferred.
- EPSS (exploitation in 30 days)
- 0.25% · top 83% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected 809805a820c6445f7a701ded24fdc6bbc841d1e4 – < f6f2d16c77f936041b8ac495fceabded4ec6c83c
- affected 809805a820c6445f7a701ded24fdc6bbc841d1e4 – < 0fc0d287c1e7dcb39a3b9bb0f8679cd68c2156c7
- affected 809805a820c6445f7a701ded24fdc6bbc841d1e4 – < 7545f21eee1356ec98581125c4dba9c4c0cc7397
- affected 809805a820c6445f7a701ded24fdc6bbc841d1e4 – < 0f9a1bcb94016d3a3c455a77b01f6bb06e15f6eb
- affected 809805a820c6445f7a701ded24fdc6bbc841d1e4 – < dcd23aa6cc0ded7950b60ce1badb80b84045c6c0
- affected 809805a820c6445f7a701ded24fdc6bbc841d1e4 – < b655b9a9f8467684cfa8906713d33b71ea8c8f54
- affected 5.4
- unaffected < 5.4
- unaffected 5.4.244 – ≤ 5.4.*
- unaffected 5.10.181 – ≤ 5.10.*
- unaffected 5.15.113 – ≤ 5.15.*
- unaffected 6.1.30 – ≤ 6.1.*
- unaffected 6.3.4 – ≤ 6.3.*
- unaffected 6.4 – ≤ *
References (6)
- https://git.kernel.org/stable/c/f6f2d16c77f936041b8ac495fceabded4ec6c83c (opens in a new tab)
- https://git.kernel.org/stable/c/0fc0d287c1e7dcb39a3b9bb0f8679cd68c2156c7 (opens in a new tab)
- https://git.kernel.org/stable/c/7545f21eee1356ec98581125c4dba9c4c0cc7397 (opens in a new tab)
- https://git.kernel.org/stable/c/0f9a1bcb94016d3a3c455a77b01f6bb06e15f6eb (opens in a new tab)
- https://git.kernel.org/stable/c/dcd23aa6cc0ded7950b60ce1badb80b84045c6c0 (opens in a new tab)
- https://git.kernel.org/stable/c/b655b9a9f8467684cfa8906713d33b71ea8c8f54 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-54053)Record last updated .