CVE-2024-36922

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: read txq-readptr under lock If we read txq-readptr without lock, we can read the same value twice, then obtain the lock, and reclaim from there to two different places, but crucially reclaim the same entry twice,...

CVE-2024-36922

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: read txq-readptr under lock If we read txq-readptr without lock, we can read the same value twice, then obtain the lock, and reclaim from there to two different places, but crucially reclaim the same entry twice,...

CVE-2024-36922

CVE-2024-36922 is grounded in the Linux kernel wifi stack: the iwlwifi driver could read txq->read_ptr without holding the lock, risking reading the same value twice and later reclaiming the same entry twice, triggering a WARN_ONCE. The vulnerability is resolved by reading txq->read_ptr und...