CVE-2022-47941: Linux Kernel

High severity, CVSS 7.5. EPSS: 5% 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. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.

Affected products

• Linux Linux Kernel: from 5.15, before 5.15.61 (fixed in 5.15.61); 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.