Siemens SIMATIC S7-1500 TM MFP Linux Kernel Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CVE-2022-41849)

medium Tenable OT Security Plugin ID 503003

Synopsis

The remote OT asset is affected by a vulnerability.

Description

drivers/video/fbdev/smscufx.c in the Linux kernel through 5.19.12 has a race condition and resultant use-after-free if a physically proximate attacker removes a USB device while calling open(), aka a race condition between ufx_ops_open and ufx_usb_disconnect.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://www.cisa.gov/news-events/ics-advisories/icsa-23-166-11

https://cert-portal.siemens.com/productcert/pdf/ssa-794697.pdf

https://support.industry.siemens.com/cs/ww/en/view/109827684/

Plugin Details

Severity: Medium

ID: 503003

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 2/25/2025

Updated: 2/26/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:L/AC:H/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2022-41849

CVSS v3

Risk Factor: Medium

Base Score: 4.2

Temporal Score: 3.8

Vector: CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:siemens:simatic_s7-1500_tm_mfp

Required KB Items: Tenable.ot/Siemens

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/13/2023

Vulnerability Publication Date: 6/13/2023

Reference Information

CVE: CVE-2022-41849

CWE: 362

ICSA: 23-166-11