---
cve: "CVE-2026-22984"
severity: "CRITICAL"
cvss: 9.8
epss: "35%"
vendor: "Linux"
kev: false
exploited: false
published: "2026-01-23 16:15:54"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T11:00:06+02:00"
---

# CVE-2026-22984

> 9.8 CRITICAL

## Beschreibung

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

libceph: prevent potential out-of-bounds reads in handle_auth_done()

Perform an explicit bounds check on payload_len to avoid a possible
out-of-bounds access in the callout.

[ idryomov: changelog ]

## 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 ≥ 5.15.198
- Kernel ≥ 6.1.161
- Kernel ≥ 6.6.121
- Kernel ≥ 6.12.66
- Kernel ≥ 6.18.6

## Referenzen

- <https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96>
- <https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e>
- <https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3>
- <https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2>
- <https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8>
- <https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-22984) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_