CVE-2022-47941

kernel: handling of SMB2_NEGOTIATE command doesn't properly release memory which could result in DoS

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · December 22, 2022

Updated · November 21, 2025

Description

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.

Statement

There was no shipped kernel version that was seen affected by this problem. These files are not built in our source code. See https://access.redhat.com/solutions/6991749 for more information.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-400 · Uncontrolled Resource Consumption