CVE-2022-50832
Unknown Unknown - Not Provided

Memory Leak in Linux Kernel wilc1000 WiFi Driver Fixed

Vulnerability report for CVE-2022-50832, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

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
2026-07-06
AI Q&A
2025-12-30
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE
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CWE ID Description
CWE-UNKNOWN

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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.

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.

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