SB2025022765 - Use-after-free in Linux kernel realtek rtw89 driver
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022765
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-21729)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the rtw89_ops_cancel_hw_scan() function in drivers/net/wireless/realtek/rtw89/mac80211.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2403cb3c235d5e339b580cc3a825493769fadca8
- https://git.kernel.org/stable/c/5afcd6fcd1e1c1fd6bcc9a360c121d10eddade67
- https://git.kernel.org/stable/c/ba4bb0402c60e945c4c396c51f0acac3c3e3ea5c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14