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CVE-2024-50218 Siemens CVE debrief

CVE-2024-50218 describes a potential integer overflow condition in the OCFS2 (Oracle Cluster File System 2) kernel module, specifically in the `ocfs2_truncate_inline` function where a `u64` value is passed. The vulnerability was published on August 12, 2025, and last modified on February 25, 2026. Siemens ProductCERT issued advisory SSA-355557 addressing this vulnerability in their SINEC OS product line, which was subsequently republished by CISA as ICSA-25-226-07. The CISA advisory underwent multiple revisions, with the most significant update on February 25, 2026, which included republication based on the Siemens advisory and removal of several rejected CVEs from the affected list. Notably, the threat assessment in the source material categorizes the impact as 'Misinformed' for the affected product IDs, suggesting potential discrepancies in initial vulnerability reporting or scope. The vulnerability affects Siemens industrial networking products including RUGGEDCOM RST2428P and SCALANCE families running SINEC OS. No CVSS score or severity rating is available in the source corpus. The vulnerability is not listed in CISA's Known Exploited Vulnerabilities (KEV) catalog.

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 deploying RUGGEDCOM RST2428P switches or SCALANCE XC/XR series devices with SINEC OS. OT security teams managing critical infrastructure networks should prioritize vendor advisory review. Linux kernel maintainers and organizations using OCFS2 in clustered storage environments should assess patch status for the underlying kernel vulnerability.

Technical summary

CVE-2024-50218 involves the OCFS2 (Oracle Cluster File System 2) kernel module, where passing a u64 value to the ocfs2_truncate_inline function may result in integer overflow. The vulnerability affects Siemens industrial networking products running SINEC OS, including RUGGEDCOM RST2428P and SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 families. The source material categorizes the threat impact as 'Misinformed,' indicating potential uncertainty in the initial vulnerability assessment. No CVSS score is assigned in available sources. The vulnerability is not known to be exploited in the wild.

Defensive priority

medium

Recommended defensive actions

  • Review Siemens ProductCERT advisory SSA-355557 for authoritative technical details and affected product configurations
  • Verify SINEC OS version and patch level on affected Siemens industrial networking equipment
  • Apply vendor-provided firmware updates for RUGGEDCOM RST2428P and SCALANCE product families as specified in Siemens advisory
  • Monitor CISA ICS advisories for additional updates to ICSA-25-226-07
  • Implement network segmentation for industrial control systems per CISA recommended practices
  • Assess exposure of OCFS2-dependent systems if custom kernel modules are in use

Evidence notes

Source corpus indicates this CVE was initially included in CISA advisory ICSA-25-226-07 but marked with threat category 'Misinformed' for all affected product IDs (CSAFPID-0006, CSAFPID-0002, CSAFPID-0003). The February 25, 2026 revision history entry explicitly states 'CISA Republication update based on Siemens ProductCERT SSA-355557 advisory,' indicating Siemens as the authoritative source. Multiple CVEs were removed from this advisory in the February 24, 2026 revision, though CVE-2024-50218 was retained.

Official resources

2025-08-12