CVE-2025-40066
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-28

Last updated on: 2025-10-30

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Check phy before init msta_link in mt7996_mac_sta_add_links() In order to avoid a possible NULL pointer dereference in mt7996_mac_sta_init_link routine, move the phy pointer check before running mt7996_mac_sta_init_link() in mt7996_mac_sta_add_links routine.
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Meta Information
Published
2025-10-28
Last Modified
2025-10-30
Generated
2026-05-07
AI Q&A
2025-10-28
EPSS Evaluated
2026-05-05
NVD
CVE-2025-40066
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a potential NULL pointer dereference in the Linux kernel's wifi driver for the mt7996 chipset. Specifically, the issue occurs in the mt7996_mac_sta_add_links() routine where the phy pointer was not checked before being used in mt7996_mac_sta_init_link(), which could lead to a NULL pointer dereference and cause a system crash or instability.


How can this vulnerability impact me? :

If exploited, this vulnerability could cause a NULL pointer dereference leading to a kernel crash or system instability, potentially resulting in denial of service on affected systems using the mt7996 wifi driver.


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