CVE-2024-47718: wifi: rtw88: always wait for both firmware loading attempts
First published: Mon Oct 21 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=5.6<5.10.227 | |
| Linux Kernel | >=5.11<5.15.168 | |
| Linux Kernel | >=5.16<6.1.113 | |
| Linux Kernel | >=6.2<6.6.54 | |
| Linux Kernel | >=6.7<6.10.13 | |
| Linux Kernel | >=6.11<6.11.2 | |
| debian/linux | <=5.10.223-1 | 5.10.234-1 6.1.129-1 6.1.128-1 6.12.19-1 6.12.20-1 |
| debian/linux-6.1 | 6.1.128-1~deb11u1 |
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Reference Links
- 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
- https://git.kernel.org/stable/c/ceaab3fb64d6a5426a3db8f87f3e5757964f2532
- https://git.kernel.org/stable/c/e9a78d9417e167410d6fb83c4e908b077ad8ba6d
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-47718
- https://nvd.nist.gov/vuln/detail/CVE-2024-47718
- https://launchpad.net/bugs/cve/CVE-2024-47718
- https://security-tracker.debian.org/tracker/CVE-2024-47718
- https://ubuntu.com/security/CVE-2024-47718
- https://git.kernel.org/linus/0e735a4c6137262bcefe45bb52fde7b1f5fc6c4d
Frequently Asked Questions
What is the severity of CVE-2024-47718?
CVE-2024-47718 has been classified with a severity rating based on its potential impact on Linux kernel users.
How do I fix CVE-2024-47718?
To fix CVE-2024-47718, update your Linux kernel to one of the recommended versions that address this vulnerability.
Which versions of Linux kernel are affected by CVE-2024-47718?
CVE-2024-47718 affects Linux kernel versions between 5.6 and up to 6.11.2, as specified in the advisory.
What components are involved in CVE-2024-47718?
The components involved in CVE-2024-47718 are related to the firmware loading mechanisms in the wifi driver for the Linux kernel.
Are there any specific distributions impacted by CVE-2024-47718?
Yes, specific Debian distributions are impacted, and users should monitor updates from their package maintainers.
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