---
cve: "CVE-2026-89792"
severity: "HIGH"
cvss: 7.1
epss: "19%"
vendor: "Linux"
kev: false
exploited: false
published: "2026-09-16 09:17:10"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T08:38:58+02:00"
---

# CVE-2026-89792

> 7.1 HIGH

## Beschreibung

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

ksmbd: prevent out-of-bounds reads in share config responses

Validate IPC share configuration payload sizes before consuming
variable-length fields. Bound veto list parsing and account for
the separator byte when deriving the path length.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- Kernel ≥ 7.2.6

## Referenzen

- <https://git.kernel.org/stable/c/61a8d06600c8c397f9a7e01940479d4c94a82f5f>
- <https://git.kernel.org/stable/c/f25e93768fcc5d8287e50b1ec52a42e4c276df34>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-89792) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_