CVE-2024-47718
wifi: rtw88: always wait for both firmware loading attempts
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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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/0e735a4c6137262bcefe45bb52fde7b1f5fc6c4d
- https://git.kernel.org/stable/c/1b8178a2ae272256ea0dc4f940320a81003535e2
- https://git.kernel.org/stable/c/7887ad11995a4142671cc49146db536f923c8568
- https://git.kernel.org/stable/c/9432185540bafd42b7bfac6e6ef2f0a0fb4be447
- https://git.kernel.org/stable/c/a0c1e2da652cf70825739bc12d49ea15805690bf
References (11)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
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