CVE-2022-50832
Memory Leak in Linux Kernel wilc1000 WiFi Driver Fixed
Publication date: 2025-12-30
Last updated on: 2025-12-30
Assigner: kernel.org
Description
Description
CVSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | kernel | * |
| linux | linux_kernel | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
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.
What immediate steps should I take to mitigate this vulnerability?
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.
Can you explain this vulnerability to me?
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.