CVE-2025-9612: Pcisig Pci Express Integrity And Data Encryption

Medium severity, CVSS 5.1. EPSS: 0.1% chance of exploitation in the next 30 days.

An issue was discovered in the PCI Express (PCIe) Integrity and Data Encryption (IDE) specification, where insufficient guidance on Transaction Layer Packet (TLP) ordering and tag uniqueness may allow encrypted packets to be replayed or reordered without detection. This can enable local or physical attackers on the PCIe bus to violate data integrity protections.

Affected products

• Pcisig Pci Express Integrity And Data Encryption: affected versions not specified

Published 2025-12-09. Last modified 2026-06-17.