PCIe IDE Tag Aliasing Enables Cross-Context Completion Leak
CVE-2025-9613 Published on December 9, 2025

CVE-2025-9613
A vulnerability was discovered in the PCI Express (PCIe) Integrity and Data Encryption (IDE) specification, where insufficient guidance on tag reuse after completion timeouts may allow multiple outstanding Non-Posted Requests to share the same tag. This tag aliasing condition can result in completions being delivered to the wrong security context, potentially compromising data integrity and confidentiality.

NVD

Vulnerability Analysis

CVE-2025-9613 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
NONE

Affected Versions

PCI-SIG PCI Express Integrity and Data Encryption (PCIe IDE) Specification: PCI-SIG PCI Express Integrity and Data Encryption (PCIe IDE) Specification:

Exploit Probability

EPSS
0.03%
Percentile
6.49%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.