SB20241022131 - Improper locking in Linux kernel realtek rtw89 driver
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022131
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) Improper locking (CVE-ID: CVE-2024-49939)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the rtw89_ops_add_interface() function 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/fdc73f2cfbe897f4733156df211d79ced649b23c
- https://git.kernel.org/stable/c/37c319503023de49a4c87301c8998c8d928112cb
- https://git.kernel.org/stable/c/490eddc836b2a6ec286e5df14bed4c7cf5e1f475
- https://git.kernel.org/stable/c/7dd5d2514a8ea58f12096e888b0bd050d7eae20a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55