---
cve: "CVE-2025-21735"
severity: "HIGH"
cvss: 8.8
epss: "37%"
vendor: "Linux"
kev: false
exploited: false
published: "2025-02-27 02:12:12"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-17T10:33:15+02:00"
---

# CVE-2025-21735

> 8.8 HIGH

## Beschreibung

In the Linux kernel, the following vulnerability has been resolved:

NFC: nci: Add bounds checking in nci_hci_create_pipe()

The "pipe" variable is a u8 which comes from the network.  If it's more
than 127, then it results in memory corruption in the caller,
nci_hci_connect_gate().

## CVSS-Vektor

```
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Benachbart | warn |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- Kernel ≥ 5.4.291
- Kernel ≥ 5.10.235
- Kernel ≥ 5.15.179
- Kernel ≥ 6.1.129
- Kernel ≥ 6.6.78
- Kernel ≥ 6.12.14
- Kernel ≥ 6.13.3

## Referenzen

- <https://git.kernel.org/stable/c/bd249109d266f1d52548c46634a15b71656e0d44>
- <https://git.kernel.org/stable/c/674e17c5933779a8bf5c15d596fdfcb5ccdebbc2>
- <https://git.kernel.org/stable/c/10b3f947b609713e04022101f492d288a014ddfa>
- <https://git.kernel.org/stable/c/d5a461c315e5ff92657f84d8ba50caa5abf5c22a>
- <https://git.kernel.org/stable/c/172cdfc3a5ea20289c58fb73dadc6fd4a8784a4e>
- <https://git.kernel.org/stable/c/2ae4bade5a64d126bd18eb66bd419005c5550218>
- <https://git.kernel.org/stable/c/59c7ed20217c0939862fbf8145bc49d5b3a13f4f>
- <https://git.kernel.org/stable/c/110b43ef05342d5a11284cc8b21582b698b4ef1c>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-21735) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_