---
id: CVE-2025-9613
title: >-
  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 th…
summary: >-
  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 th…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'
vendor: pcisig
product: pci_express_integrity_and_data_encryption
affected:
  - pci_express_integrity_and_data_encryption
published: '2025-12-09'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T21:10:00.183'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-9613'
references:
  - url: 'https://pcisig.com/PCIeIDEStandardVulnerabilities'
    label: cret@cert.org
  - url: 'https://pcisig.com/specifications'
    label: cret@cert.org
tags:
  - nvd
epss: 0.00213
epssPercentile: 0.10856
ingestedAt: '2026-10-14T21:57:04.768Z'
---

## Overview

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.

## Affected

- `pci_express_integrity_and_data_encryption`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.