# CVE-2025-38501: ksmbd: limit repeated connections from clients with the same IP

CVE-2025-38501 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-38501, released August 16, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-38501
- Priority: High
- CVSS: 7.5 (Moderate)
- EPSS: 0.0218
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 16, 2025
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-38501

## Description

In the Linux kernel, the following vulnerability has been resolved:  ksmbd: limit repeated connections from clients with the same IP  Repeated connections from clients with the same IP address may exhaust the max connections and prevent other normal client connections. This patch limit repeated connections from clients with the same IP.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.148-1 | [DEBIAN-CVE-2025-38501](https://patchblox.com/security/data/fix/linux/debian-cve-2025-38501.md) | Aug 16, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.12.43-1 | [DEBIAN-CVE-2025-38501](https://patchblox.com/security/data/fix/linux/debian-cve-2025-38501.md) | Aug 16, 2025 |
| Linux | linux Debian 14 | 6.16.3-1 | [DEBIAN-CVE-2025-38501](https://patchblox.com/security/data/fix/linux/debian-cve-2025-38501.md) | Aug 16, 2025 |

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Data as of 2026-11-08T06:59:42Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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