A vulnerability was found in Linux Kernel up to 6.5.12/6.6.2. It has been rated as critical. The impacted element is an unknown function of the component riscv. Performing manipulation results in stack-based buffer overflow.
This vulnerability was named CVE-2023-52761. The attack needs to be approached within the local network. There is no available exploit.
Upgrading the affected component is advised.
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CVE-2023-52761 | Linux Kernel up to 6.5.12/6.6.2 riscv stack-based overflow (1493baaf09e3/eff53aea3855/be97d0db5f44)
A vulnerability was found in Linux Kernel up to 6.5.12/6.6.2. It has been rated as critical. The impacted element is an unknown function of the component riscv. Performing manipulation results in stack-based buffer overflow. This…
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IoC Intelligence (1 Indikatoren)
CVE-2023-52761
CTI Threat Relationship Graph3 Knoten / 2 Relationen
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title: Detect Exploitation - CVE-2023-52761 | Linux Kernel up to 6.5.12/6.6.2 riscv stack-based overflow (1493baaf09e3/eff53aea3855/be97d0db5f44)
id: 591c3c08-555c-4980-9ea6-28cba9bd039a
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-2023-52761 | 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-2023-52761 | Linux Kernel up to 6.5..... 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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