CVE-2024-47718
HIGH severity · CVSS 7.8 · Use-after-free
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/0e735a4c6137262bcefe45bb52fde7b1f5fc6c4d ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/0e735a4c6137262bcefe45bb52fde7b1f5fc6c4dPatch
- https://git.kernel.org/stable/c/1b8178a2ae272256ea0dc4f940320a81003535e2Patch
- https://git.kernel.org/stable/c/7887ad11995a4142671cc49146db536f923c8568Patch
- https://git.kernel.org/stable/c/9432185540bafd42b7bfac6e6ef2f0a0fb4be447Patch
- https://git.kernel.org/stable/c/a0c1e2da652cf70825739bc12d49ea15805690bfPatch
- https://git.kernel.org/stable/c/ceaab3fb64d6a5426a3db8f87f3e5757964f2532Patch
- https://git.kernel.org/stable/c/e9a78d9417e167410d6fb83c4e908b077ad8ba6dPatch
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html