CVE-2024-47672: wifi: iwlwifi: mvm: don't wait for tx queues if firmware is dead
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: mvm: don't wait for tx queues if firmware is dead
There is a WARNING in iwltranswaittxqueuesempty() (that was recently converted from just a message), that can be hit if we wait for TX queues to become empty after firmware died. Clearly, we can't expect anything from the firmware after it's declared dead.
Don't call iwltranswaittxqueuesempty() in this case. While it could be a good idea to stop the flow earlier, the flush functions do some maintenance work that is not related to the firmware, so keep that part of the code running even when the firmware is not running.
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Other sources
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
— NVD
This CVE was automatically created from a reference found in an email or other text. If you are reading this, then this CVE entry is probably erroneous, since this text should be replaced by the official CVE description automatically.
— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2024-47672?
CVE-2024-47672 is a vulnerability in the Linux kernel's iwlwifi driver that triggers warnings when waiting for transmission queues if the firmware becomes unresponsive.
What is the severity of CVE-2024-47672?
The severity of CVE-2024-47672 is categorized as moderate due to potential disruptions in wireless communication.
How do I fix CVE-2024-47672?
To fix CVE-2024-47672, update your Linux kernel to a patched version such as 6.1.123-1 or later.
Which versions of the Linux kernel are affected by CVE-2024-47672?
CVE-2024-47672 affects Linux kernel versions between 5.10.227 and 6.11-rc5, including specific releases within those ranges.
What are the consequences of not addressing CVE-2024-47672?
Failing to address CVE-2024-47672 may lead to warnings being displayed and potential issues with transmission in wireless communications.