CVE-2025-40216
io_uring/rsrc: don't rely on user vaddr alignment
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 4, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
a8edbb424b1391b077407c75d8f5d2ede77aa70d < 50998b0ae7d9d552e96d8b7239981cf05f65eff5 a8edbb424b1391b077407c75d8f5d2ede77aa70d < f16769241594be59387b56ab525e327f54377e60 a8edbb424b1391b077407c75d8f5d2ede77aa70d < 3a3c6d61577dbb23c09df3e21f6f9eda1ecd634b
Linux / Linux
6.12