CVE-2022-49938: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: cifs: fix small mempool leak in SMB2_negotiate() In some cases of failure (dialect mismatches) in SMB2_negotiate(), after the request is sent, the checks would return -EIO when they should be rather setting rc = -EIO and jumping to neg_exit to free the response buffer from mempool.

Affected products

• Linux Linux Kernel: before 5.15.66 (fixed in 5.15.66); from 5.16, before 5.19.8 (fixed in 5.19.8); version 6.0 only

Published 2025-06-18. Last modified 2026-06-17.