CVE-2025-21946

HIGH

Linux kernel - Buffer Overflow

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.1
EPSS 0.0006
EPSS Percentile 19.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Details

CWE
CWE-125
Status published
Products (6)
linux/Kernel 5.15.0 - 6.1.160linux
linux/Kernel 6.13.0 - 6.13.7linux
linux/Kernel 6.2.0 - 6.6.83linux
linux/Kernel 6.7.0 - 6.12.19linux
linux/linux_kernel 6.14 rc1 (5 CPE variants)
linux/linux_kernel 5.15 - 6.6.83
Published Apr 01, 2025
Tracked Since Feb 18, 2026