# CVE-2025-38452: linux: In the Linux kernel, the following vulnerability has been resolved:  net: ethernet: rtsn: Fix a null pointer derefere...

CVE-2025-38452 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-38452, released July 25, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-38452
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0018
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 25, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  net: ethernet: rtsn: Fix a null pointer dereference in rtsn_probe()  Add check for the return value of rcar_gen4_ptp_alloc() to prevent potential null pointer dereference.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.12.41-1 | [DEBIAN-CVE-2025-38452](https://patchblox.com/security/data/fix/linux/debian-cve-2025-38452.md) | Jul 25, 2025 |
| Linux | linux Debian 14 | 6.16.3-1 | [DEBIAN-CVE-2025-38452](https://patchblox.com/security/data/fix/linux/debian-cve-2025-38452.md) | Jul 25, 2025 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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