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CVE-2025-21906

wifi: iwlwifi: mvm: clean up ROC on failure

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.12.19, 6.13.7
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: clean up ROC on failure If the firmware fails to start the session protection, then we do call iwl_mvm_roc_finished() here, but that won't do anything at all because IWL_MVM_STATUS_ROC_P2P_RUNNING was never set. Set IWL_MVM_STATUS_ROC_P2P_RUNNING in the failure/stop path. If it started successfully before, it's already set, so that doesn't matter, and if it didn't start it needs to be set to clean up. Not doing so will lead to a WARN_ON() later on a fresh remain- on-channel, since the link is already active when activated as it was never deactivated.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From 35c1bbd93c4e6969b3ac238b48a8bdff3e223ed8 · fixed in a88c18409b5d69f426d5acc583c053eac71756a3; From 35c1bbd93c4e6969b3ac238b48a8bdff3e223ed8 · fixed in d1a12fcb9051bbf38b2e5af310ffb102a0fab6f9; From 35c1bbd93c4e6969b3ac238b48a8bdff3e223ed8 · fixed in f9751163bffd3fe60794929829f810968c6de73d

  • Linux Linux

    6.9

  • KernelLinux

    From 6.9.0 · fixed in 6.12.19; From 6.13.0 · fixed in 6.13.7

References 3

git.kernel.org