memfd_luo_retrieve_folios. The manipulation results in infinite loop.This vulnerability is known as CVE-2026-46013. An attack on the physical device is feasible. No exploit is available.
You should upgrade the affected component.
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CVE-2026-46013 | Linux Kernel up to 7.0.3 memfd_luo_retrieve_folios infinite loop
A vulnerability, which was classified as critical, was found in Linux Kernel up to 7.0.3. This vulnerability affects the function memfd_luo_retrieve_folios. The manipulation results in infinite loop. This vulnerability is known as…
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A vulnerability, which was classified as critical, was found in Linux Kernel up to 7.0.3. This vulnerability affects the function
This vulnerability is known as CVE-2026-46013. An attack on the physical device is feasible. No exploit is available.
You should upgrade the affected component.
This vulnerability is known as CVE-2026-46013. An attack on the physical device is feasible. No exploit is available.
You should upgrade the affected component.
IoC Intelligence (1 Indikatoren)
CVE-2026-46013
CTI Threat Relationship Graph2 Knoten / 1 Relationen
IR-PLAYBOOK-VULN-REMEDIATIONMEDIUM
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title: Detect Exploitation - CVE-2026-46013 | Linux Kernel up to 7.0.3 memfd_luo_retrieve_folios infinite loop
id: 8ec874ad-677b-4cc4-8b8e-0730015dfa46
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "CVE-2026-46013 | Linux Kernel " ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
Live-Vektor: LOCAL
LOCALIZED
Perimeter & Ingress
Geringes Risiko
Lateral Pivot & AD
Geringes Risiko
Crown Jewels & DB
Geringes Risiko
Supply Chain Reach
GEFÄHRDET (90%)
tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2026-46013 | Linux Kernel up to 7.0..... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
🛡️ Angriffsfläche & Exposure
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
⚡ Empfohlene Sofortmaßnahmen
- 1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
- 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
- 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
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