Bluetooth: hci_uart: fix UAFs and race conditions in close and init paths
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI Analysis
Technical Summary
This vulnerability concerns the Bluetooth hci_uart component where use-after-free conditions and race conditions occur during the close and initialization sequences. These types of flaws can lead to memory corruption or instability in the affected system. The affected products include Microsoft Azure Linux kernel 3.0. The Microsoft Security Response Center has published an advisory identifier msrc_CVE-2026-46275, but no patch or mitigation details are included in the provided information.
Potential Impact
The vulnerability may allow an attacker to cause memory corruption or system instability due to use-after-free and race conditions in the Bluetooth driver. However, no specific impact details such as privilege escalation, code execution, or denial of service are provided. No known exploits have been reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory (msrc_CVE-2026-46275) for current remediation guidance. No vendor-provided mitigation or workaround information is available in the provided data.
Bluetooth: hci_uart: fix UAFs and race conditions in close and init paths
Description
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability concerns the Bluetooth hci_uart component where use-after-free conditions and race conditions occur during the close and initialization sequences. These types of flaws can lead to memory corruption or instability in the affected system. The affected products include Microsoft Azure Linux kernel 3.0. The Microsoft Security Response Center has published an advisory identifier msrc_CVE-2026-46275, but no patch or mitigation details are included in the provided information.
Potential Impact
The vulnerability may allow an attacker to cause memory corruption or system instability due to use-after-free and race conditions in the Bluetooth driver. However, no specific impact details such as privilege escalation, code execution, or denial of service are provided. No known exploits have been reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory (msrc_CVE-2026-46275) for current remediation guidance. No vendor-provided mitigation or workaround information is available in the provided data.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-46275
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a294e508dd33fbd853bac0e
Added to database: 6/10/2026, 11:45:20 AM
Last enriched: 6/10/2026, 12:07:24 PM
Last updated: 6/10/2026, 2:56:57 PM
Views: 7
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