wifi: wlcore: release runtime PM ref on regdomain config failure

Summary

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.

Timeline

1. Oct 6, 2026, 8:44 AM UTCCVE published
2. Oct 19, 2026, 9:15 AM UTCRecord last updated

Affected versions

• Linux 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 Linux

  4.19

• KernelLinux

  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

References 8