CVE-2026-45836
Received Received - Intake
Bluetooth Null Pointer Dereference in Linux Kernel

Publication date: 2026-05-26

Last updated on: 2026-05-26

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb() Add the same NULL guard already present in l2cap_sock_resume_cb() and l2cap_sock_ready_cb().
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-05-26
Last Modified
2026-05-26
Generated
2026-05-26
AI Q&A
2026-05-26
EPSS Evaluated
N/A
NVD
CVE-2026-45836
EUVD
EUVD-2026-31858
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a null pointer dereference issue in the Linux kernel's Bluetooth L2CAP component. Specifically, it occurs in the function l2cap_sock_get_sndtimeo_cb(). The fix involves adding a NULL pointer check similar to those already present in related functions l2cap_sock_resume_cb() and l2cap_sock_ready_cb().


How can this vulnerability impact me? :

A null pointer dereference vulnerability can cause the affected system or component to crash or behave unpredictably, potentially leading to denial of service. In this case, exploitation could disrupt Bluetooth functionality in the Linux kernel.


Ask Our AI Assistant
Need more information? Ask your question to get an AI reply (Powered by our expertise)
0/70
EPSS Chart