---
cve: "CVE-2025-71100"
severity: "HIGH"
cvss: 7.6
epss: "18%"
vendor: "Linux"
kev: false
exploited: false
published: "2026-01-13 16:16:09"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-08-31T16:38:46+02:00"
---

# CVE-2025-71100

> 7.6 HIGH

## Beschreibung

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

wifi: rtlwifi: 8192cu: fix tid out of range in rtl92cu_tx_fill_desc()

TID getting from ieee80211_get_tid() might be out of range of array size
of sta_entry->tids[], so check TID is less than MAX_TID_COUNT. Othwerwise,
UBSAN warn:

 UBSAN: array-index-out-of-bounds in drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c:514:30
 index 10 is out of range for type 'rtl_tid_data [9]'

## CVSS-Vektor

```
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/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 | Gering | warn |
| I Integrität | Gering | warn |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- Kernel ≥ 6.12.64
- Kernel ≥ 6.18.4

## Referenzen

- <https://git.kernel.org/stable/c/9765d6eb8298b07d499cdf9ef7c237d3540102d6>
- <https://git.kernel.org/stable/c/90a15ff324645aa806d81fa349497cd964861b66>
- <https://git.kernel.org/stable/c/dd39edb445f07400e748da967a07d5dca5c5f96e>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-71100) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_