What’s Vulnerable › Vulnerabilities

CVE-2025-39862: wifi: mt76: mt7915: fix list corruption after hardware restart

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-19 · updated 2026-10-21
• Weakness: CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix list corruption after hardware restart Since stations are recreated from scratch, all lists that wcids are added to must be cleared before calling ieee80211_restart_hw. Set wcid->sta = 0 for each wcid entry in order to ensure that they are not added again before they are ready.

Affected products

• Linux kernel: from 6.2 before 6.16.6; 6.17-rc1, 6.17-rc2, 6.17-rc3, 6.17-rc4 — fixed in 6.16.6

How to fix

Upgrade to a fixed version: Linux kernel 6.16.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/065c79df595af21d6d1b27d642860faa1d938774
• https://git.kernel.org/stable/c/6826728f9fd7e7db57cd9647932eea47cbc645c6
• https://git.kernel.org/stable/c/6d40c15d70c2dba2f68dd50e452255bfa1b016f0
• https://git.kernel.org/stable/c/8fa8eb52bc2eb08d93202863b5fc478e0bebc00c

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