CVE-2022-50732
Unknown Unknown - Not Provided

Use-After-Free in Linux Kernel rtl8192u Driver's ieee80211_rx

Publication date: 2025-12-24

Last updated on: 2025-12-24

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8192u: Fix use after free in ieee80211_rx() We cannot dereference the "skb" pointer after calling ieee80211_monitor_rx(), because it is a use after free.

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Meta Information

Published
2025-12-24
Last Modified
2025-12-24
Generated
2026-07-06
AI Q&A
2025-12-24
EPSS Evaluated
2026-07-05
NVD
CVE-2022-50732
EUVD
EUVD-2022-55757

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
linux linux_kernel *
linux kernel *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a use-after-free issue in the Linux kernel's rtl8192u driver within the ieee80211_rx() function. Specifically, after calling ieee80211_monitor_rx(), the code attempts to dereference the 'skb' pointer, which has already been freed, leading to undefined behavior or potential crashes.

Impact Analysis

The use-after-free vulnerability can cause system instability, crashes, or potentially allow an attacker to execute arbitrary code or cause denial of service by exploiting the freed memory access in the wireless driver.

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