SB2024082227 - NULL pointer dereference in Linux kernel iwlwifi mvm driver
Published: August 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082227
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2022-48918)
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.
References
- 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