Siemens SIMATIC S7-1500 TM MFP Linux Kernel Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CVE-2022-42328)

medium Tenable OT Security Plugin ID 502997

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Guests can trigger deadlock in Linux netback driver [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packet dropped due to the XSA-392 handling (CVE-2022-42328). Additionally when dropping packages for other reasons the same deadlock could occur in case of netpoll being active for the interface the xen-netback driver is connected to (CVE-2022-42329).

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Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: Medium

ID: 502997

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: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2022-42328

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:siplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmware:2.3, cpe:/o:siemens:simatic_cp_1542sp-1_irc_firmware:2.3, cpe:/o:siemens:simatic_s7-1500_tm_mfp, cpe:/o:siemens:simatic_cp_1542sp-1_firmware:2.3, cpe:/o:siemens:simatic_cp_1543sp-1_firmware:2.3, cpe:/o:siemens:siplus_et_200sp_cp_1543sp-1_isec_firmware:2.3, cpe:/o:siemens:siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware:2.3

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-2022-42328

CWE: 667

ICSA: 23-166-11

Detections

Analytics