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CVE-2025-40291

HIGH CVSS: 7.8 Published: 2025-12-08 Modified: 2026-07-30

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix regbuf vector size truncation There is a report of io_estimate_bvec_size() truncating the calculated number of segments that leads to corruption issues. Check it doesn't overflow "int"s used later. Rough but simple, can be improved on top.

Affected Platforms

Unknown

Weakness Type

Unknown

References