PatchSiren cyber security CVE debrief

CVE-2024-50007 Siemens CVE debrief

CVE-2024-50007 describes a potential out-of-bounds (OOB) array access vulnerability in the ALSA ASIHPI driver. The driver stores values in a static array based on an index derived from firmware responses, which could lead to memory corruption if the firmware provides an invalid index. This vulnerability was published on 2025-08-12 and last modified on 2026-02-25. The issue affects Siemens industrial networking products that incorporate the vulnerable Linux kernel component, specifically the RUGGEDCOM RST2428P and SCALANCE X-family switches running SINEC OS. CISA's advisory ICSA-25-226-07, which tracks this vulnerability, underwent multiple revisions—most recently on 2026-02-25 to republish based on Siemens ProductCERT advisory SSA-355557. Notably, the threat assessment in the source material categorizes the impact as 'Misinformed' for the affected product IDs, suggesting potential clarification or correction in the risk characterization. No CVSS score or severity rating is currently assigned in the available sources. Organizations should consult the Siemens ProductCERT advisory for specific patch availability and apply kernel updates as they become available for affected SINEC OS deployments.

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 SCALANCE X-family switches, RUGGEDCOM RST2428P devices, or other SINEC OS-based industrial networking infrastructure should prioritize monitoring for vendor patches. Security teams in manufacturing, energy, transportation, and critical infrastructure sectors relying on these devices for operational technology (OT) networks should assess exposure and implement compensating controls.

Technical summary

The ALSA (Advanced Linux Sound Architecture) ASIHPI driver contains a vulnerability where firmware-dependent array indexing could result in out-of-bounds memory access. The driver uses a static array to store values received from firmware responses, with the array index determined by firmware-provided data. Insufficient validation of this index allows potential memory corruption. This kernel-level vulnerability affects Siemens industrial networking products running SINEC OS that incorporate the vulnerable driver component.

Defensive priority

medium

Recommended defensive actions

Monitor Siemens ProductCERT advisory SSA-355557 for specific patch availability and kernel update timelines for SINEC OS
Review SCALANCE and RUGGEDCOM device firmware versions against vendor security advisories to determine exposure
Apply defense-in-depth controls for industrial control systems per CISA recommended practices until patches are available
Validate network segmentation for affected industrial switches to limit potential attack surface
Subscribe to CISA ICS advisories and Siemens ProductCERT notifications for updates on this vulnerability

Evidence notes

Vulnerability description derived from CISA CSAF source ICSA-25-226-07. Affected products identified through CSAF product tree: RUGGEDCOM RST2428P (6GK6242-6PA00), SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family, and SCALANCE XCM-/XRM-/XCH-/XRH-300 family. Threat category 'Misinformed' noted in source threats array for product IDs CSAFPID-0006, CSAFPID-0002, CSAFPID-0003. Revision history confirms 2026-02-25 update republished based on Siemens SSA-355557.

Official resources

2025-08-12