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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-10-28
Last Modified
2025-10-30
Generated
2026-06-16
AI Q&A
2025-10-28
EPSS Evaluated
2026-06-15
NVD
CVE-2025-40066
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

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.

Impact Analysis

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.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-40066. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart