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PatchSiren cyber security CVE debrief

CVE-2023-52601 Siemens CVE debrief

CVE-2023-52601 is a vulnerability in the Linux kernel's JFS (Journaled File System) that was resolved with a fix for an array-index-out-of-bounds condition in the dbAdjTree function. The vulnerability was published on 2025-08-12 and last modified on 2026-02-25. Siemens has identified this CVE as affecting certain industrial networking products, specifically the RUGGEDCOM RST2428P and SCALANCE X family devices running SINEC OS. However, the source advisory marks the impact assessment as 'Misinformed,' indicating potential uncertainty or correction regarding the actual impact on these products. The CVE originates from a 2023 Linux kernel fix, suggesting this is a backported or newly disclosed vulnerability in embedded/OT environments rather than a novel discovery. Organizations running affected Siemens industrial networking equipment should verify their SINEC OS version and apply vendor-provided updates as indicated in the Siemens ProductCERT advisory.

Vendor
Siemens
Product
RUGGEDCOM RST2428P (6GK6242-6PA00)
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2025-08-12
Original CVE updated
2026-02-25
Advisory published
2025-08-12
Advisory updated
2026-02-25

Who should care

Organizations operating Siemens industrial networking infrastructure, particularly those using RUGGEDCOM RST2428P or SCALANCE X family switches and routers in critical infrastructure environments. OT security teams responsible for patch management of SINEC OS-based devices should prioritize verification of this advisory given its 'Misinformed' impact classification and multiple revisions.

Technical summary

CVE-2023-52601 addresses an array-index-out-of-bounds vulnerability in the dbAdjTree function of the Linux kernel's Journaled File System (JFS). The vulnerability was resolved in the upstream Linux kernel. Siemens has disclosed this CVE as affecting industrial networking products running SINEC OS, including the RUGGEDCOM RST2428P and SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family devices. The CISA advisory marks the impact as 'Misinformed,' indicating potential corrections to earlier impact assessments. The advisory has undergone four revisions, with the most recent on 2026-02-25 reflecting updates based on Siemens ProductCERT guidance. No CVSS score is available in the source data.

Defensive priority

medium

Recommended defensive actions

  • Verify SINEC OS version on affected Siemens RUGGEDCOM RST2428P and SCALANCE X family devices
  • Review Siemens ProductCERT SSA-613116 for specific patch availability and version guidance
  • Apply vendor-provided firmware updates to affected industrial networking equipment
  • Monitor CISA ICS advisories for updates to ICSA-25-226-15 as the advisory has undergone multiple revisions
  • Implement network segmentation for industrial control systems per CISA recommended practices

Evidence notes

The source CISA CSAF advisory (ICSA-25-226-15) indicates this CVE was republished on 2026-02-25 based on Siemens ProductCERT SSA-613116. The threat category is marked 'Misinformed' for affected products, suggesting the advisory may have corrected earlier impact assessments. The vulnerability description references a resolved Linux kernel JFS issue from 2023, indicating this is a disclosure of previously fixed kernel code now identified in Siemens OT products.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-52601 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-52601

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2023-52601 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-52601

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-226-15.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-613116.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-613116.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-226-15

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.