CVE-2022-47940: Linux Kernel

High severity, CVSS 8.1. EPSS: 1.5% chance of exploitation in the next 30 days.

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the non-padding case in smb2_write.

Affected products

• Linux Linux Kernel: from 5.15, before 5.15.145 (fixed in 5.15.145); from 5.16, before 5.18.18 (fixed in 5.18.18)

Published 2022-12-23. Last modified 2026-06-17.