CVE-2025-40216 — io_uring/rsrc: don't rely on user vaddr alignment
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, howev…
Published: 2025-12-04 · CVSS: 7.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7