CVE-2024-47718 Information

Description

In the Linux kernel the following vulnerability has been resolved:

wifi: rtw88: always wait for both firmware loading attempts

In ‘rtw_wait_firmware_completion()’ always wait for both (regular and wowlan) firmware loading attempts. Otherwise if ‘rtw_usb_intf_init()’ has failed in ‘rtw_usb_probe()’ ‘rtw_usb_disconnect()’ may issue ‘ieee80211_free_hw()’ when one of ‘rtw_load_firmware_cb()’ (usually the wowlan one) is still in progress causing UAF detected by KASAN.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://git.kernel.org/stable/c/a0c1e2da652cf70825739bc12d49ea15805690bf https://git.kernel.org/stable/c/ceaab3fb64d6a5426a3db8f87f3e5757964f2532 https://git.kernel.org/stable/c/7887ad11995a4142671cc49146db536f923c8568 https://git.kernel.org/stable/c/1b8178a2ae272256ea0dc4f940320a81003535e2 https://git.kernel.org/stable/c/9432185540bafd42b7bfac6e6ef2f0a0fb4be447 https://git.kernel.org/stable/c/e9a78d9417e167410d6fb83c4e908b077ad8ba6d https://git.kernel.org/stable/c/0e735a4c6137262bcefe45bb52fde7b1f5fc6c4d

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8