CVE-2022-50832
Unknown Unknown - Not Provided
Memory Leak in Linux Kernel wilc1000 WiFi Driver Fixed

Publication date: 2025-12-30

Last updated on: 2025-12-30

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix potential memory leak in wilc_mac_xmit() The wilc_mac_xmit() returns NETDEV_TX_OK without freeing skb, add dev_kfree_skb() to fix it. Compile tested only.
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Meta Information
Published
2025-12-30
Last Modified
2025-12-30
Generated
2026-06-16
AI Q&A
2025-12-30
EPSS Evaluated
2026-06-15
NVD
CVE-2022-50832
EUVD
EUVD-2022-55866
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
linux kernel *
linux 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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Mitigation Strategies

Apply the patch or update to a Linux kernel version where the wilc1000 driver has been fixed to include dev_kfree_skb() in wilc_mac_xmit() to prevent the memory leak.

Executive Summary

This vulnerability is a potential memory leak in the Linux kernel's wifi driver for wilc1000. Specifically, the function wilc_mac_xmit() returns NETDEV_TX_OK without freeing the skb (socket buffer), which can cause memory not to be released properly. The fix involves adding a call to dev_kfree_skb() to free the memory.

Impact Analysis

The potential memory leak could lead to increased memory usage over time, which might degrade system performance or cause instability if the memory is exhausted.

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