Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb()
CVE-2026-45834 is a vulnerability in the Bluetooth L2CAP component affecting Microsoft products including Azure Linux 3. 0. It involves a null pointer dereference in the function l2cap_sock_state_change_cb(). No CVSS score or detailed impact information is provided. There are no known exploits in the wild and no patch or remediation details are available from the vendor advisory. The vulnerability could potentially cause a denial of service if triggered, but this is not explicitly confirmed.
AI Analysis
Technical Summary
This vulnerability concerns a null pointer dereference in the Bluetooth L2CAP implementation within Microsoft products, specifically in the l2cap_sock_state_change_cb() function. The issue could lead to application or system instability due to improper handling of socket state changes. The affected versions include Microsoft and Azure Linux 3.0. No further technical details or exploitation methods are provided.
Potential Impact
The impact is limited to potential null pointer dereference leading to a crash or denial of service condition. There is no evidence of code execution or data compromise. No known exploits are reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is provided at this time.
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb()
Description
CVE-2026-45834 is a vulnerability in the Bluetooth L2CAP component affecting Microsoft products including Azure Linux 3. 0. It involves a null pointer dereference in the function l2cap_sock_state_change_cb(). No CVSS score or detailed impact information is provided. There are no known exploits in the wild and no patch or remediation details are available from the vendor advisory. The vulnerability could potentially cause a denial of service if triggered, but this is not explicitly confirmed.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability concerns a null pointer dereference in the Bluetooth L2CAP implementation within Microsoft products, specifically in the l2cap_sock_state_change_cb() function. The issue could lead to application or system instability due to improper handling of socket state changes. The affected versions include Microsoft and Azure Linux 3.0. No further technical details or exploitation methods are provided.
Potential Impact
The impact is limited to potential null pointer dereference leading to a crash or denial of service condition. There is no evidence of code execution or data compromise. No known exploits are reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is provided at this time.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-45834
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a18ab8ee29bf47b502895fe
Added to database: 5/28/2026, 8:54:38 PM
Last enriched: 5/28/2026, 9:11:32 PM
Last updated: 5/29/2026, 6:00:23 AM
Views: 5
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