CVE-2025-21930

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
LinuxLinux>= 268712dc3b344f3a835211e5846e6ebfd7a13cbd, < 437e93ecd40754f9e938d524daf52a10c589e2d4; >= 268712dc3b344f3a835211e5846e6ebfd7a13cbd, < e7c31a3f4f27d61b9ccd894a7bf4690f137da0ec; >= 268712dc3b344f3a835211e5846e6ebfd7a13cbd, < d73d2c6e3313f0ba60711ab4f4b9044eddca9ca5
LinuxLinux6.8

References

Timeline

Published
Apr 1, 2025
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2025-21930: Medium severity, CVSS 5.5 | Vulnix