VULNERABILITY INTELLIGENCE
CVE-2025-39888
CVSS score7.8 HIGH
EPSS probability0.15%
CISA KEVNot currently listed
Published2025-09-23
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- CWE-787: Out-of-bounds Write