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PatchSiren cyber security CVE debrief

CVE-2024-49913 Siemens CVE debrief

CVE-2024-49913 is a null pointer dereference vulnerability in the AMD display driver subsystem (drm/amd/display), specifically in the `commit_planes_for_stream` function where a missing null check for `top_pipe_to_program` could lead to system instability. The vulnerability was published on August 12, 2025, and last modified on February 25, 2026. Siemens ProductCERT issued advisory SSA-355557 addressing this issue in their SINEC OS product line, with CISA republishing the advisory as ICSA-25-226-07. The vulnerability affects Siemens industrial networking products including RUGGEDCOM RST2428P and SCALANCE X-family switches running SINEC OS. The threat assessment categorizes impact as 'Misinformed' per the source advisory. 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 SCALANCE X-family switches, RUGGEDCOM RST2428P devices, or other SINEC OS-based industrial networking equipment should prioritize review of this advisory. System administrators responsible for OT/ICS network infrastructure, security teams managing industrial control system assets, and compliance personnel tracking CVE remediation for critical infrastructure environments should monitor vendor patch availability.

Technical summary

CVE-2024-49913 is a null pointer dereference vulnerability (CWE-476) in the Linux kernel's AMD display driver subsystem. The flaw exists in the `commit_planes_for_stream` function within `drivers/gpu/drm/amd/display/dc/core/dc.c` where `top_pipe_to_program` is dereferenced without a prior null check. This vulnerability affects Siemens industrial networking products running SINEC OS that incorporate the vulnerable kernel code. The issue was addressed through vendor security updates. The vulnerability is not known to be actively exploited and does not appear in the CISA KEV catalog.

Defensive priority

medium

Recommended defensive actions

  • Review Siemens ProductCERT advisory SSA-355557 for detailed product-specific patch information and affected version ranges.
  • Apply vendor-provided firmware updates for affected SCALANCE and RUGGEDCOM products as specified in the Siemens security advisory.
  • Monitor CISA ICS advisories for updates to ICSA-25-226-07 regarding this vulnerability.
  • Implement defense-in-depth strategies for industrial control systems per CISA recommended practices.
  • Assess exposure of affected Siemens networking equipment to determine prioritization for patching activities.

Evidence notes

Source: CISA CSAF advisory ICSA-25-226-07, republished from Siemens ProductCERT SSA-355557. The vulnerability description indicates a null pointer dereference (CWE-476) in Linux kernel AMD display driver code. The advisory underwent three revisions: initial publication (2025-08-12), product list correction (2026-02-12), and configuration clarification with rejected CVE removal (2026-02-24), followed by CISA republication (2026-02-25).

Sources and references

Verified primary and authoritative sources

  • CVE-2024-49913 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-49913

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

  • CVE-2024-49913 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-49913

    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-25-226-07.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-355557.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-355557.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-226-07

    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.