CVE-2022-47943: Linux Kernel

High severity, CVSS 8.1. EPSS: 3.6% chance of exploitation in the next 30 days.

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case.

Affected products

• Linux Linux Kernel: from 5.15, before 5.15.62 (fixed in 5.15.62); from 5.16, before 5.18.18 (fixed in 5.18.18); from 5.19, before 5.19.2 (fixed in 5.19.2)

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