Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb()
CVE-2026-45835 is a vulnerability in the Bluetooth L2CAP component affecting Microsoft and Azure Linux 3. 0. It involves a null pointer dereference in the l2cap_sock_new_connection_cb() function. No CVSS score or detailed impact information is provided. There is no indication of known exploits in the wild or vendor-provided patch information. The vulnerability could potentially cause a denial of service due to the null pointer dereference, but specifics are not detailed.
AI Analysis
Technical Summary
This vulnerability concerns a null pointer dereference in the Bluetooth L2CAP implementation within Microsoft and Azure Linux 3.0 products, specifically in the l2cap_sock_new_connection_cb() function. The issue may lead to a crash or denial of service condition when the function is triggered. No further technical details or exploitation methods are provided in the available data.
Potential Impact
The impact is limited to a potential null pointer dereference in the Bluetooth L2CAP code, which may cause a denial of service or system instability. No information on privilege escalation, data disclosure, or remote code execution is provided. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No vendor advisory or patch links are provided in the current data. Until an official fix is available, monitor vendor communications for updates.
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb()
Description
CVE-2026-45835 is a vulnerability in the Bluetooth L2CAP component affecting Microsoft and Azure Linux 3. 0. It involves a null pointer dereference in the l2cap_sock_new_connection_cb() function. No CVSS score or detailed impact information is provided. There is no indication of known exploits in the wild or vendor-provided patch information. The vulnerability could potentially cause a denial of service due to the null pointer dereference, but specifics are not detailed.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability concerns a null pointer dereference in the Bluetooth L2CAP implementation within Microsoft and Azure Linux 3.0 products, specifically in the l2cap_sock_new_connection_cb() function. The issue may lead to a crash or denial of service condition when the function is triggered. No further technical details or exploitation methods are provided in the available data.
Potential Impact
The impact is limited to a potential null pointer dereference in the Bluetooth L2CAP code, which may cause a denial of service or system instability. No information on privilege escalation, data disclosure, or remote code execution is provided. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No vendor advisory or patch links are provided in the current data. Until an official fix is available, monitor vendor communications 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-2026-45835
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a18ab90e29bf47b5028963a
Added to database: 5/28/2026, 8:54:40 PM
Last enriched: 5/28/2026, 9:11:50 PM
Last updated: 5/29/2026, 4:44:50 AM
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.