The vulnerability of the function rtw89_core_mlsr_switch() in the driver/net/wireless/realtek/rtw89/core.c file of the wireless adapter driver for the Realtek kernel in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the rtw89coremlsrswitch function in the drivers/net/wireless/realtek/rtw89/core.c file of the Realtek wireless adapter driver for the Linux operating system is related to buffer overflow attacks. Exploiting this vulnerability can allow an attacker to cause a system failure...

UBUNTU-CVE-2025-38657

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: mcc: prevent shift wrapping in rtw89coremlsrswitch The "linkid" value comes from the user via debugfs. If it's larger than BITSPERLONG then that would result in shift wrapping and potentially an out of bounds access...