CVE-2022-42329
mediumpriority · track · 22EPSS 0.002 · 13 %ileDEEUNLRUUSEPSS · scored 2026-10-27
Guests can trigger deadlock in Linux netback driver T[his 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).
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedSIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0)siemens_psirt
Update to V2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109954475/ - FixedSIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)siemens_psirt
Update to V2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109954475/ - FixedSIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)siemens_psirt
Update to V2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109954475/ - FixedSIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)siemens_psirt
Update to V2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109954475/ - FixedSIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)siemens_psirt
Update to V2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109954475/ - FixedSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)siemens_psirt
Update to V2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109954475/ - FixedSIMATIC S7-1500 TM MFP - GNU/Linux subsystemsiemens_psirt
Update to V1.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109827684/ - FixedSIMATIC S7-1500 TM MFP - GNU/Linux subsystemcisa_csaf_ot
Update to V1.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109827684/ - FixedSIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0)cisa_csaf_ot
Update to V2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109954475/ - FixedSIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)cisa_csaf_ot
Update to V2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109954475/ - FixedSIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)cisa_csaf_ot
Update to V2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109954475/ - FixedSIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)cisa_csaf_ot
Update to V2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109954475/ - FixedSIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)cisa_csaf_ot
Update to V2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109954475/ - FixedSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)cisa_csaf_ot
Update to V2.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109954475/ - MitigationSIMATIC S7-1500 TM MFP - GNU/Linux subsystemsiemens_psirt
Only build and run applications from trusted sources
- WorkaroundSIMATIC S7-1500 TM MFP - GNU/Linux subsystemcisa_csaf_ot
Only build and run applications from trusted sources
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (31)
Products and version ranges known to be affected.
advisories (8)
Vendor and ecosystem advisories describing this.
- NCSC-2024-0246Kwetsbaarheden verholpen in Siemens productenNL2024-06-11csaf · ncsc_nlNL
Siemens heeft kwetsbaarheden verholpen in diverse producten, zoals SCALANCE, SICAM, Tecnomatix, SITOP en PowerSys.
- SSA-625862SSA-625862: Multiple Vulnerabilities in Third-Party Components in SIMATIC CP 1542SP-1 and CP 1543SP-1 before V2.32024-06-11csaf · siemens_psirtDE
SIMATIC CP 1542SP-1 and CP 1543SP-1 before V2.3 are affected by multiple vulnerabilities in third-party components and the integrated web server. Siemens has released new versions for the affected products and recommends to update to the latest versions.
- SSA-794697SSA-794697: Vulnerabilities in the Additional GNU/Linux Subsystem of the SIMATIC S7-1500 TM MFP Before V1.12023-06-13csaf · siemens_psirtDE
Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.0. Siemens has released a new version for SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and recommends to update to the latest version. SIMATIC S7-1500 TM MFP V1.0 is no longer maintained and there won't be any update to the CVE list anymore. Please update to the latest version. This advisory lists vulnerabilities for firmware version V1.0 only; for V1.1 refer to Siemens Security Advisory SSA-265688 (https://cert-portal.siemens.com/productcert/html/ssa-265688.html).
- WID-SEC-W-2022-2250Xen: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2022-12-06csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um einen Denial of Service Angriff durchzuführen.
- WID-SEC-W-2023-1432Siemens SIMATIC S7: Mehrere SchwachstellenDeutsch2023-06-12csaf · cert_bundDE
Ein Angreifer aus dem angrenzenden Netzwerk oder ein entfernter, anonymer, authentisierter, physischer oder lokaler Angreifer kann mehrere Schwachstellen in Siemens SIMATIC S7 ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen, seine Privilegien zu erweitern und Daten zu manipulieren.
- WID-SEC-W-2024-0794Dell ECS: Mehrere SchwachstellenDeutsch2024-04-04csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell ECS ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode mit Administratorrechten auszuführen, Informationen offenzulegen, Dateien zu manipulieren, einen Cross-Site-Scripting-Angriff durchzuführen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.
- ICSA-23-166-11Siemens SIMATIC S7-1500 TM MFP Linux Kernel2023-06-13icsa · cisa_csaf_otUS
Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.0. Siemens has released a new version for SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and recommends to update to the latest version. This advisory lists vulnerabilities for firmware version V1.0 only; for V1.1 refer to Siemens Security Advisory SSA-265688 ( https://cert-portal.siemens.com/productcert/html/ssa-265688.html).
- ICSA-24-165-10Siemens SIMATIC and SIPLUS2024-06-11icsa · cisa_csaf_otUS
SIMATIC CP 1542SP-1 and CP 1543SP-1 before V2.3 are affected by multiple vulnerabilities in third-party components and the integrated web server. Siemens has released new versions for the affected products and recommends to update to the latest versions.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (41)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2022/12/08/2cnnvd
- http://www.openwall.com/lists/oss-security/2022/12/08/3cnnvd
- http://www.openwall.com/lists/oss-security/2022/12/09/2cnnvd
- http://xenbits.xen.org/xsa/advisory-424.htmlPatchcnnvd
- https://cxsecurity.com/cveshow/CVE-2022-42329/cnnvd
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.htmlcnnvd
- https://lists.debian.org/debian-lts-announce/2022/12/msg00034.htmlcnnvd
- https://vigilance.fr/vulnerability/Linux-kernel-Xen-denial-of-service-via-Netback-Deadlock-40034cnnvd
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