CVE-2026-80942: wifi: rtlwifi: rtl8192du: Fix possible memory leak in rtl92du_init_sw_vars()

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-11 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: rtl8192du: Fix possible memory leak in rtl92du_init_sw_vars() The memory allocated inside rtl92du_init_shared_data() is not freed in any of the subsequent error paths in rtl92du_init_sw_vars(). Fix that by adding a call to rtl92du_deinit_shared_data() in the error path.

Affected products

Linux kernel: 6.11 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c
https://git.kernel.org/stable/c/6496ce90845df2d22fb8e8ed235cd2936fad41c8
https://git.kernel.org/stable/c/7159e1e12468a0b1ac519b296280c0a27f91eab5
https://git.kernel.org/stable/c/dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344

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