CVE-2025-21930

CVE-2025-21930 affects the Linux kernel wireless subsystem (iwlwifi/mvm). The vulnerability arises when the driver talks to firmware that may be dead; before sending a command it now checks that the firmware is alive, preventing commands on an unresponsive firmware. Impact: local attacker could c...

CVE-2025-21930 wifi: iwlwifi: mvm: don't try to talk to a dead firmware

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: don't try to talk to a dead firmware This fixes: bad state = 0 WARNING: CPU: 10 PID: 702 at drivers/net/wireless/inel/iwlwifi/iwl-trans.c:178 iwltranssendcmd+0xba/0xe0 iwlwifi Call Trace: ? warn+0xca/0x1c0 ?...