CVE-2025-37956: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent rename with empty string Client can send empty newname string to ksmbd server. It will cause a kernel oops from d_alloc. This patch return the error when attempting to rename a file or directory with an empty new name string.

Affected products

• Linux Linux Kernel: from 5.15, before 6.6.91 (fixed in 6.6.91); from 6.7, before 6.12.29 (fixed in 6.12.29); from 6.13, before 6.14.7 (fixed in 6.14.7); version 6.15 only

Published 2025-05-20. Last modified 2026-07-30.