CVE-2023-53251

MEDIUM

Linux Kernel 5.12 - NULL Pointer Dereference in iwl_pcie_irq_rx_msix_handler

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler() rxq can be NULL only when trans_pcie->rxq is NULL and entry->entry is zero. For the case when entry->entry is not equal to 0, rxq won't be NULL even if trans_pcie->rxq is NULL. Modify checker to check for trans_pcie->rxq.

References (5)

Core 5

Scores

CVSS v3 5.5
EPSS 0.0014
EPSS Percentile 3.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (13)
Linux/Linux < 5.12
Linux/Linux 5.12
Linux/Linux 5.15.121 - 5.15.*
Linux/Linux 6.1.39 - 6.1.*
Linux/Linux 6.3.13 - 6.3.*
Linux/Linux 6.4.4 - 6.4.*
Linux/Linux 6.5
Linux/Linux abc599efa67bb4138536360e07d677052b19e392 - 1902f1953b8ba100ee8705cb8a6f1a9795550eca
Linux/Linux abc599efa67bb4138536360e07d677052b19e392 - 2d690495eb2766d58e25c83676f422219c4fcf18
Linux/Linux abc599efa67bb4138536360e07d677052b19e392 - 390e44efcf4d390b5053ad112553155d2d097c73
... and 3 more
Published Sep 15, 2025
Tracked Since Feb 18, 2026