Security Advisory

CVE-2025-39888

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-09-23 06:00:54
Last updated 2026-05-11 21:38:22
Assigner Linux
State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: fuse: Block access to folio overlimit syz reported a slab-out-of-bounds Write in fuse_dev_do_write. When the number of bytes to be retrieved is truncated to the upper limit by fc->max_pages and there is an offset, the oob is triggered. Add a loop termination condition to prevent overruns.