---
cve: "CVE-2024-41086"
severity: "HIGH"
cvss: 7.8
epss: "21%"
vendor: "Linux"
kev: false
exploited: false
published: "2024-07-29 16:15:04"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-15T11:48:53+02:00"
---

# CVE-2024-41086

> 7.8 HIGH

## Beschreibung

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

bcachefs: Fix sb_field_downgrade validation

- bch2_sb_downgrade_validate() wasn't checking for a downgrade entry
  extending past the end of the superblock section

- for_each_downgrade_entry() is used in to_text() and needs to work on
  malformed input; it also was missing a check for a field extending
  past the end of the section

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- Kernel ≥ 6.9.8

## Referenzen

- <https://git.kernel.org/stable/c/bf920ed92ef24dcd6970c88881cd4700b3acf05b>
- <https://git.kernel.org/stable/c/692aa7a54b2b28d59f24b3bf8250837805484b99>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2024-41086) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_