Bluetooth: hci_event: Fix OOB read and infinite loop in hci_le_create_big_complete_evt
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI Analysis
Technical Summary
This vulnerability involves a flaw in the Bluetooth HCI event handling, specifically in the hci_le_create_big_complete_evt function, leading to an out-of-bounds read and an infinite loop condition. The affected software includes Microsoft and Azure Linux 3.0. The vulnerability could potentially impact Bluetooth functionality or system stability, but detailed impact and exploitation methods are not described in the provided data.
Potential Impact
The vulnerability may cause unexpected behavior such as infinite loops or memory access errors due to out-of-bounds reads in Bluetooth event processing. No known exploits have been reported, and no detailed impact on confidentiality, integrity, or availability is provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No vendor advisory content or patch links are provided in the current data, so users should monitor official Microsoft channels for updates.
Bluetooth: hci_event: Fix OOB read and infinite loop in hci_le_create_big_complete_evt
Description
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a flaw in the Bluetooth HCI event handling, specifically in the hci_le_create_big_complete_evt function, leading to an out-of-bounds read and an infinite loop condition. The affected software includes Microsoft and Azure Linux 3.0. The vulnerability could potentially impact Bluetooth functionality or system stability, but detailed impact and exploitation methods are not described in the provided data.
Potential Impact
The vulnerability may cause unexpected behavior such as infinite loops or memory access errors due to out-of-bounds reads in Bluetooth event processing. No known exploits have been reported, and no detailed impact on confidentiality, integrity, or availability is provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No vendor advisory content or patch links are provided in the current data, so users should monitor official Microsoft channels for updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-46138
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a19fec6e29bf47b500fe0e2
Added to database: 5/29/2026, 9:01:58 PM
Last enriched: 5/29/2026, 9:10:36 PM
Last updated: 5/31/2026, 4:52:08 AM
Views: 2
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