{"id":"CVE-2025-21930","summary":"wifi: iwlwifi: mvm: don't try to talk to a dead firmware","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: don't try to talk to a dead firmware\n\nThis fixes:\n\n bad state = 0\n WARNING: CPU: 10 PID: 702 at drivers/net/wireless/inel/iwlwifi/iwl-trans.c:178 iwl_trans_send_cmd+0xba/0xe0 [iwlwifi]\n Call Trace:\n  \u003cTASK\u003e\n  ? __warn+0xca/0x1c0\n  ? iwl_trans_send_cmd+0xba/0xe0 [iwlwifi 64fa9ad799a0e0d2ba53d4af93a53ad9a531f8d4]\n  iwl_fw_dbg_clear_monitor_buf+0xd7/0x110 [iwlwifi 64fa9ad799a0e0d2ba53d4af93a53ad9a531f8d4]\n  _iwl_dbgfs_fw_dbg_clear_write+0xe2/0x120 [iwlmvm 0e8adb18cea92d2c341766bcc10b18699290068a]\n\nAsk whether the firmware is alive before sending a command.","modified":"2026-04-02T12:45:17.685782Z","published":"2025-04-01T15:41:00.316Z","related":["SUSE-SU-2025:01614-1","SUSE-SU-2025:01707-1","SUSE-SU-2025:01919-1","SUSE-SU-2025:01951-1","SUSE-SU-2025:01964-1","SUSE-SU-2025:01967-1","SUSE-SU-2025:20192-1","SUSE-SU-2025:20206-1","SUSE-SU-2025:20270-1","SUSE-SU-2025:20283-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21930.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/437e93ecd40754f9e938d524daf52a10c589e2d4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d73d2c6e3313f0ba60711ab4f4b9044eddca9ca5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e7c31a3f4f27d61b9ccd894a7bf4690f137da0ec"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21930.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21930"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"268712dc3b344f3a835211e5846e6ebfd7a13cbd"},{"fixed":"437e93ecd40754f9e938d524daf52a10c589e2d4"},{"fixed":"e7c31a3f4f27d61b9ccd894a7bf4690f137da0ec"},{"fixed":"d73d2c6e3313f0ba60711ab4f4b9044eddca9ca5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21930.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}