CVE-2023-53071
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: do not run mt76_unregister_device() on unregistered hw Trying to probe a mt7921e pci card without firmware results in a successful probe where ieee80211_register_hw hasn't been called. When removing the driver, ieee802111_unregister_hw is called unconditionally leading to a kernel NULL pointer dereference. Fix the issue running mt76_unregister_device routine just for registered hw.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 2, 2025
First seenMay 2, 2025
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel6.1.113, 6.2.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.18 ≤ v < 6.1.113, 6.2 ≤ v < 6.2.9, 6.3 | 6.1.113, 6.2.9 |
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