CVE-2026-45835

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

MEDIUM

5.5

CVSS Score

Published: May 26, 2026 at 04:14 PM UTC

Updated: October 15, 2026 at 02:19 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.1%

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().

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

3.1 ≤ v < 5.10.2585.11 ≤ v < 5.15.2095.16 ≤ v < 6.1.1756.13 ≤ v < 6.18.306.19 ≤ v < 7.0.76.2 ≤ v < 6.6.1406.7 ≤ v < 6.12.887.1 7.1 rc1 7.1 rc280808e431e1ef25856457de82ce141bed6a6313a

Vendor states this is fixed in 0a120d96166301d7a95be75b52f843837dbd1219 (fixed)

Vendor states this is fixed in 140b63cb46f2855ac4ec8fba2f1e974a9c2974e8 (fixed)

Vendor states this is fixed in 2422eaed0925973c0f318c94eb13e76f14c7381e (fixed)

Vendor states this is fixed in 684a1f9ee2325437ae18ac5371884e4c6a25ae73 (fixed)

Vendor states this is fixed in 741e6024e31587b0c021b6616a9e428a4ea0b64a (fixed)

Vendor states this is fixed in 76083fb80f5a38ac13326b2d810f66bd07771eea (fixed)

Vendor states this is fixed in ab77c8bc30269bee15d917059a66bea48909f5f0 (fixed)

Vendor states this is fixed in bc3bb9f40da8e53896abc2d29c6d0c6686fe4ab9 (fixed)

Vendor states this is fixed in 3.1 (unaffected)

Vendor states this is fixed in 5.10.258 (unaffected)

Vendor states this is fixed in 5.15.209 (unaffected)

Vendor states this is fixed in 6.1.175 (unaffected)