CVE-2022-49938

MEDIUM

Linux Kernel < 5.15.66 - Memory Leak

Title source: rule

Description

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.

References (3)

[Patch] https://git.kernel.org/stable/c/27893dfc1285f80f80f46b3b8c95f5d15d2e66d0

[Patch] https://git.kernel.org/stable/c/38a6b469bf22f153282fbe7d702a24e9eb43f50e

[Patch] https://git.kernel.org/stable/c/9e3c9efa7caf16e5acc05eab5e4d0a714e1610b0

Scores

CVSS v3 5.5

EPSS 0.0001

EPSS Percentile 2.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-401

Status published

Affected Products (6)

linux/linux_kernel < 5.15.66

linux/linux_kernel

linux/Kernel < 5.15.66linux

linux/Kernel < 5.19.8linux

Timeline

Published Jun 18, 2025

Tracked Since Feb 18, 2026