CVE-2025-68765
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2026-01-05

Last updated on: 2026-01-19

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: Fix memory leak in mt7615_mcu_wtbl_sta_add() In mt7615_mcu_wtbl_sta_add(), an skb sskb is allocated. If the subsequent call to mt76_connac_mcu_alloc_wtbl_req() fails, the function returns an error without freeing sskb, leading to a memory leak. Fix this by calling dev_kfree_skb() on sskb in the error handling path to ensure it is properly released.
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Meta Information
Published
2026-01-05
Last Modified
2026-01-19
Generated
2026-06-16
AI Q&A
2026-01-05
EPSS Evaluated
2026-06-14
NVD
CVE-2025-68765
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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Exploitability
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a memory leak in the Linux kernel's mt7615 driver. Specifically, in the function mt7615_mcu_wtbl_sta_add(), a memory buffer (skb sskb) is allocated, but if a subsequent function call (mt76_connac_mcu_alloc_wtbl_req()) fails, the allocated memory is not freed, causing a memory leak. The fix involves properly freeing the allocated memory in the error handling path.

Impact Analysis

The memory leak can lead to increased memory usage over time, potentially causing system instability or crashes if the leak is exploited or occurs frequently. This can degrade system performance and reliability.

Mitigation Strategies

To mitigate this vulnerability, update the Linux kernel to a version that includes the fix for the memory leak in mt7615_mcu_wtbl_sta_add(). This fix ensures that the allocated skb (sskb) is properly freed in the error handling path, preventing memory leaks.

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