Linux Kernel up to 6.3.3 iwl_pci_probe null pointer dereference

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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel up to 5.4.243/5.10.180/5.15.112/6.1.29/6.3.3. Affected is the function iwl_pci_probe. Executing a manipulation can lead to null pointer dereference. This vulnerability is handled as CVE-2023-54053. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 5.4.243/5.10.180/5.15.112/6.1.29/6.3.3. This vulnerability affects the function iwl_pci_probe. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

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

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2023-54053 since 12/24/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 279928 (Linux Distros Unpatched Vulnerability : CVE-2023-54053), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.4.244, 5.10.181, 5.15.113, 6.1.30 or 6.3.4 eliminates this vulnerability. Applying the patch f6f2d16c77f936041b8ac495fceabded4ec6c83c/0fc0d287c1e7dcb39a3b9bb0f8679cd68c2156c7/7545f21eee1356ec98581125c4dba9c4c0cc7397/0f9a1bcb94016d3a3c455a77b01f6bb06e15f6eb/dcd23aa6cc0ded7950b60ce1badb80b84045c6c0/b655b9a9f8467684cfa8906713d33b71ea8c8f54 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (279928) and CERT Bund (WID-SEC-2025-2929). Once again VulDB remains the best source for vulnerability data.

Affected

  • Open Source Linux Kernel

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 279928
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-54053

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 5.4.244/5.10.181/5.15.113/6.1.30/6.3.4
Patch: f6f2d16c77f936041b8ac495fceabded4ec6c83c/0fc0d287c1e7dcb39a3b9bb0f8679cd68c2156c7/7545f21eee1356ec98581125c4dba9c4c0cc7397/0f9a1bcb94016d3a3c455a77b01f6bb06e15f6eb/dcd23aa6cc0ded7950b60ce1badb80b84045c6c0/b655b9a9f8467684cfa8906713d33b71ea8c8f54

Timelineinfo

12/24/2025 Advisory disclosed
12/24/2025 +0 days CVE reserved
12/24/2025 +0 days VulDB entry created
12/30/2025 +6 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-54053 (🔒)
GCVE (CVE): GCVE-0-2023-54053
GCVE (VulDB): GCVE-100-337996
CERT Bund: WID-SEC-2025-2929 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 12/24/2025 14:29
Updated: 12/30/2025 04:00
Changes: 12/24/2025 14:29 (58), 12/26/2025 11:28 (2), 12/30/2025 04:00 (7)
Complete: 🔍
Cache ID: 216::103

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