SB20241230172 - NULL pointer dereference in Linux kernel realtek rtw89 driver
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230172
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-2024-56535)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the btc_fw_set_monreg() function in drivers/net/wireless/realtek/rtw89/coex.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/051577414271961f3f4c3bff87b427924b486219
- https://git.kernel.org/stable/c/64db1a42d98307001a48cec1b3e68ce9f905e73d
- https://git.kernel.org/stable/c/81df5ed446b448bdc327b7c7f0b50121fc1f4aa2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13