#VU96423 NULL pointer dereference in Linux kernel - CVE-2022-48918
Published: August 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96423
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-2022-48918
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_mvm_sta_add_debugfs() and iwl_mvm_dbgfs_register() functions in drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/7de1ed755e1ace30d97a724bad32452ed86b653b
- https://git.kernel.org/stable/c/fe51975ff13831e794e1bcd0039b305dcad3d7ba
- https://git.kernel.org/stable/c/5a6248c0a22352f09ea041665d3bd3e18f6f872c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.27
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17