SB20240531447 - NULL pointer dereference in Linux kernel realtek rtw89 driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531447
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-2024-35946)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the rtw89_ops_bss_info_changed() and rtw89_ops_remain_on_channel() functions in drivers/net/wireless/realtek/rtw89/mac80211.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/b34d64e9aa5505e3c84570aed5c757f1839573e8
- https://git.kernel.org/stable/c/4f11c741908dab7dd48fa5a986b210d4fc74ca8d
- https://git.kernel.org/stable/c/7e11a2966f51695c0af0b1f976a32d64dee243b2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.27
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.6