PatchSiren

PatchSiren cyber security CVE debrief

CVE-2024-26593 Siemens CVE debrief

A vulnerability in the Linux kernel's i2c i801 driver affecting block process call transactions has been identified in Siemens industrial networking products. The issue was resolved in the upstream Linux kernel. Siemens has assessed the impact as 'Misinformed' for affected products, indicating the vulnerability does not pose a practical security risk to the identified product lines. The advisory was initially published on August 12, 2025, with subsequent revisions through February 25, 2026, to correct affected product listings and remove rejected CVEs. No CVSS score has been assigned by the source 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 RUGGEDCOM and SCALANCE industrial networking equipment, particularly those in critical infrastructure sectors with OT/ICS environments. Security teams responsible for vulnerability management in industrial control systems should monitor this advisory for completeness, though the assessed impact suggests limited practical concern.

Technical summary

The vulnerability exists in the Linux kernel's i2c i801 driver, specifically in block process call transactions. The issue has been resolved in the upstream Linux kernel. Siemens products incorporating this component have been assessed with 'Misinformed' impact, indicating the theoretical vulnerability does not present a practical security concern for the identified product configurations. The affected product family includes RUGGEDCOM RST2428P and SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family devices running SINEC OS.

Defensive priority

low

Recommended defensive actions

  • Verify SINEC OS and SCALANCE device firmware versions against Siemens security advisory SSA-613116
  • Apply vendor-recommended updates when available per Siemens ProductCERT guidance
  • Follow CISA ICS recommended practices for defense-in-depth strategies
  • Monitor Siemens ProductCERT and CISA ICS advisories for future updates to this vulnerability

Evidence notes

Source: CISA CSAF advisory ICSA-25-226-15, derived from Siemens ProductCERT SSA-613116. Impact assessment: 'Misinformed' per source threats data. Vendor confirmed: Siemens. Affected product: RUGGEDCOM RST2428P (6GK6242-6PA00). Resolution: Fixed in Linux kernel i2c i801 driver.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-26593 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-26593

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

  • CVE-2024-26593 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-26593

    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.