In the Linux kernel, the following vulnerability has been resolved: io_uring/rsrc: don't rely on user vaddr alignment There is no guaranteed alignment for user pointers, however the calculation of an offset of the first page into a folio after coalescing uses some weird bit mask logic, get rid of it.
Upstream advisory: https://lore.kernel.org/linux-cve-announce/2025120417-CVE-2025-40216-d79f@gregkh/T