---
cve: "CVE-2026-74570"
severity: "CRITICAL"
cvss: 9.8
epss: "31%"
vendor: "Linux"
kev: false
exploited: false
published: "2026-08-15 13:18:02"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-02T01:59:18+02:00"
---

# CVE-2026-74570

> 9.8 CRITICAL

## Beschreibung

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

ntfs: harden runlist realloc size calculations

Add a shared helper to safely convert runlist element counts to byte sizes
using overflow checks, and use it in both ntfs_rl_realloc() and
ntfs_rl_realloc_nofail().

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| 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 ≥ 7.1.8

## Referenzen

- <https://git.kernel.org/stable/c/57e7b8bf7b02a0140463fea786e5172cbdf2da2f>
- <https://git.kernel.org/stable/c/8bed376124ab4505b70083a2b91f2c7ef6d51e24>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-74570) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_