CVE-2025-40216

Publication date

2025-12-04 14:14:14

Family

Linux

State

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring/rsrc: dont 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.