CVE-2025-21930: falha de média gravidade em Linux
wifi: iwlwifi: mvm: don't try to talk to a dead firmware
Publicada em · Atualizada em
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 5.5epss 0.2%
probabilidade de exploração
0.2%top 91% das CVEs
exploração observada
nãonenhuma fonte reporta
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 iwl_trans_send_cmd+0xba/0xe0 [iwlwifi]
Call Trace:
<TASK>
? __warn+0xca/0x1c0
? iwl_trans_send_cmd+0xba/0xe0 [iwlwifi 64fa9ad799a0e0d2ba53d4af93a53ad9a531f8d4]
iwl_fw_dbg_clear_monitor_buf+0xd7/0x110 [iwlwifi 64fa9ad799a0e0d2ba53d4af93a53ad9a531f8d4]
_iwl_dbgfs_fw_dbg_clear_write+0xe2/0x120 [iwlmvm 0e8adb18cea92d2c341766bcc10b18699290068a]
Ask whether the firmware is alive before sending a command.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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