CVE-2026-45834

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-45834
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb() Add the same NULL guard already present in l2cap_sock_resume_cb() and l2cap_sock_ready_cb().

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/0c17c8832562b2aac288e89cefd0f46074f54bcb Patch
https://git.kernel.org/stable/c/1810e42ff6716f320c7269d5850eca48b07b7427 Patch
https://git.kernel.org/stable/c/1b1c0da227bf63479bac9982fc8d12df9aaea0fb Patch
https://git.kernel.org/stable/c/2ff1a41a912de8517b4482e946dd951b7d80edbf Patch
https://git.kernel.org/stable/c/5105f3e6b2df619c635b5f6a49fac131a36c7952 Patch
https://git.kernel.org/stable/c/85426e97dc72f2088ba6d27e74cd58c3fbd43e31 Patch
https://git.kernel.org/stable/c/a2dcf1a61d056aef15b63c6eae9441344d624389 Patch
https://git.kernel.org/stable/c/c88c185ae0a1067823661b220aeea613df2c127b Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*
History

26 Jun 2026, 18:57

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
CWE CWE-476
References () https://git.kernel.org/stable/c/0c17c8832562b2aac288e89cefd0f46074f54bcb - () https://git.kernel.org/stable/c/0c17c8832562b2aac288e89cefd0f46074f54bcb - Patch
References () https://git.kernel.org/stable/c/1810e42ff6716f320c7269d5850eca48b07b7427 - () https://git.kernel.org/stable/c/1810e42ff6716f320c7269d5850eca48b07b7427 - Patch
References () https://git.kernel.org/stable/c/1b1c0da227bf63479bac9982fc8d12df9aaea0fb - () https://git.kernel.org/stable/c/1b1c0da227bf63479bac9982fc8d12df9aaea0fb - Patch
References () https://git.kernel.org/stable/c/2ff1a41a912de8517b4482e946dd951b7d80edbf - () https://git.kernel.org/stable/c/2ff1a41a912de8517b4482e946dd951b7d80edbf - Patch
References () https://git.kernel.org/stable/c/5105f3e6b2df619c635b5f6a49fac131a36c7952 - () https://git.kernel.org/stable/c/5105f3e6b2df619c635b5f6a49fac131a36c7952 - Patch
References () https://git.kernel.org/stable/c/85426e97dc72f2088ba6d27e74cd58c3fbd43e31 - () https://git.kernel.org/stable/c/85426e97dc72f2088ba6d27e74cd58c3fbd43e31 - Patch
References () https://git.kernel.org/stable/c/a2dcf1a61d056aef15b63c6eae9441344d624389 - () https://git.kernel.org/stable/c/a2dcf1a61d056aef15b63c6eae9441344d624389 - Patch
References () https://git.kernel.org/stable/c/c88c185ae0a1067823661b220aeea613df2c127b - () https://git.kernel.org/stable/c/c88c185ae0a1067823661b220aeea613df2c127b - Patch

01 Jun 2026, 17:17

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/0c17c8832562b2aac288e89cefd0f46074f54bcb -
  • () https://git.kernel.org/stable/c/1b1c0da227bf63479bac9982fc8d12df9aaea0fb -
  • () https://git.kernel.org/stable/c/85426e97dc72f2088ba6d27e74cd58c3fbd43e31 -

26 May 2026, 17:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-05-26 17:16

Updated : 2026-06-26 18:57

NVD link : CVE-2026-45834

Mitre link : CVE-2026-45834

CVE.ORG link : CVE-2026-45834

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference