CVE-2026-64472 vfio/mlx5: Fix racy bitfields and tighten struct layout

In the Linux kernel, the following vulnerability has been resolved: vfio/mlx5: Fix racy bitfields and tighten struct layout Bitfield operations are not atomic, they use a read-modify-write pattern, therefore we should be careful not to pack bitfields that can be concurrently updated into the same...

CVE-2026-64472

The CVE-2026-64472 entries describe a Linux kernel fix for vfio/mlx5: a racy bitfield layout was tightened by splitting bitfields and moving certain flags to dedicated storage units. The root cause was non-atomic bitfield operations using read-modify-write patterns, which could lead to concurrent...