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TI-2024-12026 Aliases CVE-2024-12975GHSA-w6xj-4jx7-p88w

Silicon Labs CPC can leak information in full duplex SPI

Priority LOW 6CWE-126Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
Present
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-126 and the CVSS impact.

Summary

A buffer overread can occur in the CPC application when operating in full duplex SPI upon receiving an invalid packet over the SPI interface.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00203 10th percentileScored 2026-11-07
Fix Fixed Simplicity SDK (Silicon Labs): 2024.12.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
silabs.comSimplicity SDKbefore 2024.12.12024.12.1Patch availableCNA
  • Simplicity SDK Vendorsilabs.com Affected before 2024.12.1 Fixed in 2024.12.1 Patch available CNA

Remediation

  • Fix · CNA Simplicity SDK (Silicon Labs) Fixed in 2024.12.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-12975
  2. 2026-10-03 Alias added: GHSA-w6xj-4jx7-p88w

References

  • TI-2023-24288 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 10.0
  • TI-2023-14952 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
  • TI-2023-12925 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
  • TI-2023-12476 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
  • TI-2022-08744 Heap-based buffer overflow in MicriumOS HTTP Server allows potential remote code execution CVSS 3.1CRITICAL 9.8
  • TI-2023-12937 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
See all 178 →

Sources