CVE-2025-21930

MEDIUM 5.5

wifi: iwlwifi: mvm: don't try to talk to a dead firmware

CVSS Score

5.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	Apr 1, 2025
Last Updated	May 11, 2026

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Affected Versions

Linux / Linux

268712dc3b344f3a835211e5846e6ebfd7a13cbd < 437e93ecd40754f9e938d524daf52a10c589e2d4 268712dc3b344f3a835211e5846e6ebfd7a13cbd < e7c31a3f4f27d61b9ccd894a7bf4690f137da0ec 268712dc3b344f3a835211e5846e6ebfd7a13cbd < d73d2c6e3313f0ba60711ab4f4b9044eddca9ca5

Linux / Linux

6.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

git.kernel.org: https://git.kernel.org/stable/c/437e93ecd40754f9e938d524daf52a10c589e2d4 git.kernel.org: https://git.kernel.org/stable/c/e7c31a3f4f27d61b9ccd894a7bf4690f137da0ec git.kernel.org: https://git.kernel.org/stable/c/d73d2c6e3313f0ba60711ab4f4b9044eddca9ca5