A vulnerability was found in Linux Kernel up to 6.12.74/6.18.15/6.19.5. It has been rated as critical. This vulnerability affects unknown code. Performing a manipulation results in privilege escalation.
This vulnerability is known as CVE-2026-43320. Access to the local network is required for this attack. No exploit is available.
Upgrading the affected component is advised.
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CVE-2026-43320 | Linux Kernel up to 6.12.74/6.18.15/6.19.5 privilege escalation
A vulnerability was found in Linux Kernel up to 6.12.74/6.18.15/6.19.5. It has been rated as critical. This vulnerability affects unknown code. Performing a manipulation results in privilege escalation. This vulnerability is known as…
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IoC Intelligence (1 Indikatoren)
CVE-2026-43320
CTI Threat Relationship Graph4 Knoten / 3 Relationen
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title: Detect Exploitation - CVE-2026-43320 | Linux Kernel up to 6.12.74/6.18.15/6.19.5 privilege escalation
id: a08a7cd2-00c3-4747-ab6b-77ad50d05ffd
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_access
- attack.t1068rule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "CVE-2026-43320 | Linux Kernel " ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
Live-Vektor: LOCAL
HIGH CASCADING
Perimeter & Ingress
Geringes Risiko
Lateral Pivot & AD
GEFÄHRDET (80%)
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-2026-43320 | Linux Kernel up to 6.12.... 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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