Security Advisory

CVE-2025-21946

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-04-01 15:41:08
Last updated 2026-05-11 21:09:36
Assigner Linux
State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bounds in parse_sec_desc() If osidoffset, gsidoffset and dacloffset could be greater than smb_ntsd struct size. If it is smaller, It could cause slab-out-of-bounds. And when validating sid, It need to check it included subauth array size.