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.

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-25)

Published

2025-12-09

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• pcisig:pci_express_integrity_and_data_encryption

References

• https://pcisig.com/PCIeIDEStandardVulnerabilities
• https://pcisig.com/specifications

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