#VU115420 NULL pointer dereference in Linux kernel - CVE-2023-53251
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115420
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53251
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the iwl_pcie_irq_rx_msix_handler() function in drivers/net/wireless/intel/iwlwifi/pcie/rx.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/1902f1953b8ba100ee8705cb8a6f1a9795550eca
- https://git.kernel.org/stable/c/2d690495eb2766d58e25c83676f422219c4fcf18
- https://git.kernel.org/stable/c/390e44efcf4d390b5053ad112553155d2d097c73
- https://git.kernel.org/stable/c/3b9de981fe7f1c6e07c7b852421ad69be3d4b6c2
- https://git.kernel.org/stable/c/f71d0fc407dd028416bec002ddcc62f5acb0346a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.4