Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()
CVE-2026-45836 is a vulnerability in the Bluetooth L2CAP component related to a null pointer dereference in the function l2cap_sock_get_sndtimeo_cb(). This issue could potentially cause a denial of service or system instability due to improper handling of null pointers. The vulnerability affects Microsoft products including Azure Linux 3. 0. There is no CVSS score provided, and no known exploits in the wild have been reported. No patch or official remediation information is available from the provided data. The vendor advisory does not specify any mitigation or patch status.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-45836 involves a null pointer dereference in the Bluetooth L2CAP implementation, specifically in the l2cap_sock_get_sndtimeo_cb() function. This flaw can lead to a crash or denial of service when the function attempts to access a null pointer. Affected products include Microsoft and Azure Linux 3.0. No CVSS score or detailed vendor advisory is provided, and no patch links are available. The vulnerability is not known to be exploited in the wild at this time.
Potential Impact
The impact of this vulnerability is primarily a potential denial of service or system crash due to null pointer dereference in the Bluetooth L2CAP stack. There is no information about privilege escalation or remote code execution. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch links are provided, users should monitor Microsoft Security Response Center updates for any forthcoming patches or mitigations. No vendor advisory content indicates that no action is required or that the issue is already mitigated.
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()
Description
CVE-2026-45836 is a vulnerability in the Bluetooth L2CAP component related to a null pointer dereference in the function l2cap_sock_get_sndtimeo_cb(). This issue could potentially cause a denial of service or system instability due to improper handling of null pointers. The vulnerability affects Microsoft products including Azure Linux 3. 0. There is no CVSS score provided, and no known exploits in the wild have been reported. No patch or official remediation information is available from the provided data. The vendor advisory does not specify any mitigation or patch status.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-45836 involves a null pointer dereference in the Bluetooth L2CAP implementation, specifically in the l2cap_sock_get_sndtimeo_cb() function. This flaw can lead to a crash or denial of service when the function attempts to access a null pointer. Affected products include Microsoft and Azure Linux 3.0. No CVSS score or detailed vendor advisory is provided, and no patch links are available. The vulnerability is not known to be exploited in the wild at this time.
Potential Impact
The impact of this vulnerability is primarily a potential denial of service or system crash due to null pointer dereference in the Bluetooth L2CAP stack. There is no information about privilege escalation or remote code execution. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch links are provided, users should monitor Microsoft Security Response Center updates for any forthcoming patches or mitigations. No vendor advisory content indicates that no action is required or that the issue is already mitigated.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-45836
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a18ab8ee29bf47b502895f4
Added to database: 5/28/2026, 8:54:38 PM
Last enriched: 5/28/2026, 9:11:20 PM
Last updated: 5/29/2026, 4:48:23 AM
Views: 2
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