CVE-2024-47673

wifi: iwlwifi: mvm: pause TCM when the firmware is stopped

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: pause TCM when the firmware is stopped Not doing so will make us send a host command to the transport while the firmware is not alive, which will trigger a WARNING. bad state = 0 WARNING: CPU: 2 PID: 17434 at drivers/net/wireless/intel/iwlwifi/iwl-trans.c:115 iwl_trans_send_cmd+0x1cb/0x1e0 [iwlwifi] RIP: 0010:iwl_trans_send_cmd+0x1cb/0x1e0 [iwlwifi] Call Trace: <TASK> iwl_mvm_send_cmd+0x40/0xc0 [iwlmvm] iwl_mvm_config_scan+0x198/0x260 [iwlmvm] iwl_mvm_recalc_tcm+0x730/0x11d0 [iwlmvm] iwl_mvm_tcm_work+0x1d/0x30 [iwlmvm] process_one_work+0x29e/0x640 worker_thread+0x2df/0x690 ? rescuer_thread+0x540/0x540 kthread+0x192/0x1e0 ? set_kthread_struct+0x90/0x90 ret_from_fork+0x22/0x30

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.05%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/a15df5f37fa3a8b7a8ec7a339d1e897bc524e28f	patch
https://git.kernel.org/stable/c/5948a191906b54e10f02f6b7a7670243a39f99f4	patch
https://git.kernel.org/stable/c/2c61b561baf92a2860c76c2302a62169e22c21cc	patch
https://git.kernel.org/stable/c/55086c97a55d781b04a2667401c75ffde190135c	patch
https://git.kernel.org/stable/c/0668ebc8c2282ca1e7eb96092a347baefffb5fe7	patch

Frequently Asked Questions

What is the severity of CVE-2024-47673?: CVE-2024-47673 has been scored as a medium severity vulnerability.
How to fix CVE-2024-47673?: To fix CVE-2024-47673, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-47673 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-47673 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-47673?: CVE-2024-47673 affects Linux Linux, Linux Linux.

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