---
cve: "CVE-2023-52755"
severity: "CRITICAL"
cvss: 9.8
epss: "27.9%"
vendor: "Linux"
kev: false
exploited: false
published: "2024-05-21 16:15:15"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T11:00:30+02:00"
---

# CVE-2023-52755

> 9.8 CRITICAL

## Beschreibung

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

ksmbd: fix slab out of bounds write in smb_inherit_dacl()

slab out-of-bounds write is caused by that offsets is bigger than pntsd
allocation size. This patch add the check to validate 3 offsets using
allocation size.

## 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 ≥ 5.15.140
- Kernel ≥ 6.1.64
- Kernel ≥ 6.5.13
- Kernel ≥ 6.6.3

## Referenzen

- <https://git.kernel.org/stable/c/aaf0a07d60887d6c36fc46a24de0083744f07819>
- <https://git.kernel.org/stable/c/8387c94d73ec66eb597c7a23a8d9eadf64bfbafa>
- <https://git.kernel.org/stable/c/09d9d8b40a3338193619c14ed4dc040f4f119e70>
- <https://git.kernel.org/stable/c/712e01f32e577e7e48ab0adb5fe550646a3d93cb>
- <https://git.kernel.org/stable/c/eebff19acaa35820cb09ce2ccb3d21bee2156ffb>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-52755) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_