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packet race condition
About this tag
The packet race condition tag on WindowsForum.com covers discussions about concurrency bugs in network packet processing, particularly in Linux Wi-Fi stacks. A highlighted thread examines CVE-2026-46152, a Linux kernel vulnerability in mac80211 fast-RX handling where a mistakenly static variable caused a race condition that could misroute mesh packets. The fix involved removing a single static keyword, illustrating how parallelized wireless stacks can introduce subtle security-relevant race conditions. While the tag focuses on Linux kernel issues, the underlying concepts of packet race conditions are relevant to any high-performance networking environment, including Windows and enterprise IT, where concurrent packet processing can lead to similar bugs.
CVE-2026-46152 is a Linux kernel Wi-Fi vulnerability published by NVD on May 28, 2026, affecting mac80211 fast-RX handling, where a mistakenly static per-call result variable could be shared by concurrent receive paths and misroute mesh packets. The patch is almost comically small: delete one...