CVE-2024-47673: wifi: iwlwifi: mvm: pause TCM when the firmware is stopped
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 iwltranssendcmd+0x1cb/0x1e0 [iwlwifi] RIP: 0010:iwltranssendcmd+0x1cb/0x1e0 [iwlwifi] Call Trace: <TASK> iwlmvmsendcmd+0x40/0xc0 [iwlmvm] iwlmvmconfigscan+0x198/0x260 [iwlmvm] iwlmvmrecalctcm+0x730/0x11d0 [iwlmvm] iwlmvmtcmwork+0x1d/0x30 [iwlmvm] processonework+0x29e/0x640 workerthread+0x2df/0x690 ? rescuerthread+0x540/0x540 kthread+0x192/0x1e0 ? setkthreadstruct+0x90/0x90 retfromfork+0x22/0x30
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-47673?
CVE-2024-47673 is classified with a moderate severity due to potential system instability caused by a host command being sent during firmware downtime.
How do I fix CVE-2024-47673?
To fix CVE-2024-47673, update the Linux kernel to version 6.1.123-1, 6.1.119-1, 6.12.11-1, or 6.12.12-1.
Which versions of Linux kernel are affected by CVE-2024-47673?
CVE-2024-47673 affects various versions of the Linux kernel including versions between 6.2 and 6.6.53 and versions between 6.7 and 6.10.12.
Is CVE-2024-47673 a hardware or software vulnerability?
CVE-2024-47673 is a software vulnerability within the Linux kernel affecting systems utilizing the iwlwifi driver.
What should I do if my system is affected by CVE-2024-47673?
If your system is affected by CVE-2024-47673, immediately apply the necessary kernel updates to mitigate the issue.