CVE-2023-53460: wifi: rtw88: fix memory leak in rtw_usb_probe()

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-01 · updated 2026-06-17
Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: fix memory leak in rtw_usb_probe() drivers/net/wireless/realtek/rtw88/usb.c:876 rtw_usb_probe() warn: 'hw' from ieee80211_alloc_hw() not released on lines: 811 Fix this by modifying return to a goto statement.

Affected products

Linux kernel: from 5.2 before 6.3.4 — fixed in 6.3.4

How to fix

Upgrade to a fixed version: Linux kernel 6.3.4. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/48181d285623198c33bb9698992502687b258efa
https://git.kernel.org/stable/c/6cc92379b80af005e1f49ef6ef790cddc58cf0da

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