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CVE-2026-45835

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb() Add the same NULL guard already present in l2cap_sock_re…

Published May 26, 2026CWE-476EPSS 0.17%

Overview

CVE-2026-45835 is a medium-severity vulnerability. It was published on May 26, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb()

Add the same NULL guard already present in

l2cap_sock_resume_cb() and l2cap_sock_ready_cb().

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0a120d96166301d7a95be75b52f843837dbd1219Refgit.kernel.org/stable/c/140b63cb46f2855ac4ec8fba2f1e974a9c2974e8Refgit.kernel.org/stable/c/2422eaed0925973c0f318c94eb13e76f14c7381eRefgit.kernel.org/stable/c/684a1f9ee2325437ae18ac5371884e4c6a25ae73Refgit.kernel.org/stable/c/741e6024e31587b0c021b6616a9e428a4ea0b64aRefgit.kernel.org/stable/c/76083fb80f5a38ac13326b2d810f66bd07771eeaRefgit.kernel.org/stable/c/ab77c8bc30269bee15d917059a66bea48909f5f0Refgit.kernel.org/stable/c/bc3bb9f40da8e53896abc2d29c6d0c6686fe4ab9

How CyberStrike helps

Frequently asked questions

What is CVE-2026-45835?

CVE-2026-45835 is a medium-severity vulnerability. It was published on May 26, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-45835?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-45835?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-45835?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-45835 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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