CVE Database›Document archive›CVE-2024-35870

CVE-2024-35870

kernel: smb: client: fix UAF in smb2_reconnect_server()

Loading…

Severity

Moderate

Red Hat Product Security

5.9

CVSS 3.1

Review impact separately from score.

Published · May 19, 2024

Updated · November 21, 2025

Description

A flaw was found in the smb client in the Linux kernel. A potential use-after-free error was seen in the smb2_reconnect_server() function. This issue can lead to the crash of a client user session.

Statement

This vulnerability considered being Moderate impact because of limitations for attack scenario.

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

To mitigate this issue, prevent module cifs from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.

CVSS / CWE

CVSS 3.1 · 5.9
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H

CWE-416 · Use After Free