PT-2026-43303 · Linux · Linux Kernel

Published 2026-05-26 · Updated 2026-06-18 · CVE-2026-45835

Positive Technologies (AI Summary)

CVSS v4.0

6.0

Medium

Base vector

AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A null pointer dereference occurs in the Bluetooth L2CAP component within the l2cap sock new connection cb() function. A null pointer dereference is a runtime error that happens when a program attempts to read or write to a memory address that is NULL, often leading to a system crash.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-45835

ECHO-3BEC-EA1F-C678

OPENSUSE-SU-2026:10954-1

SUSE-SU-2026:2450-1

Affected Products

Linux Kernel

References · 455

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45835.json · Exploit
• https://osv.dev/vulnerability/openSUSE-SU-2026:10954-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-45835 · Vendor Advisory
• https://git.kernel.org/stable/c/140b63cb46f2855ac4ec8fba2f1e974a9c2974e8 · Patch
• https://git.kernel.org/stable/c/2422eaed0925973c0f318c94eb13e76f14c7381e · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-45835 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45835 · Vendor Advisory
• https://git.kernel.org/stable/c/76083fb80f5a38ac13326b2d810f66bd07771eea · Patch
• https://git.kernel.org/stable/c/741e6024e31587b0c021b6616a9e428a4ea0b64a · Patch
• https://cve.org/CVERecord?id=CVE-2026-45835 · Security Note
• https://git.kernel.org/stable/c/bc3bb9f40da8e53896abc2d29c6d0c6686fe4ab9 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-45835 · Security Note
• https://git.kernel.org/stable/c/684a1f9ee2325437ae18ac5371884e4c6a25ae73 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-45835 · Vendor Advisory
• https://git.kernel.org/stable/c/ab77c8bc30269bee15d917059a66bea48909f5f0 · Patch