A vulnerability described as critical has been identified in Linux Kernel up to 6.19.5. This impacts an unknown function of the component Bluetooth. Such manipulation leads to privilege escalation.
This vulnerability is documented as CVE-2026-43134. The attack requires being on the local network. There is not any exploit available.
Upgrading the affected component is recommended.
Intelligence View
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CVE-2026-43134 | Linux Kernel up to 6.19.5 Bluetooth privilege escalation (WID-SEC-2026-1405)
A vulnerability described as critical has been identified in Linux Kernel up to 6.19.5. This impacts an unknown function of the component Bluetooth. Such manipulation leads to privilege escalation. This vulnerability is documented as…
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IoC Intelligence (1 Indikatoren)
CVE-2026-43134
CTI Threat Relationship Graph4 Knoten / 3 Relationen
IR-PLAYBOOK-VULN-REMEDIATION
MEDIUMSOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA Rules
SOC Readytitle: Detect Exploitation - CVE-2026-43134 | Linux Kernel up to 6.19.5 Bluetooth privilege escalation (WID-SEC-2026-1405)
id: 836d5480-b68a-4f9b-967d-fe7b76c99f46
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-23
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 = "2026-09-23"
description = "YARA Signature for "
strings:
$str = "CVE-2026-43134 | Linux Kernel " ascii wide
condition:
any of them
}
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