CVE-2026-45836

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-45836
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().

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/32bd343803d4ba47cc516f9d5f037f01b855d767 Patch
https://git.kernel.org/stable/c/58dc5e3d8768e121907608e6e196a908512fb083 Patch
https://git.kernel.org/stable/c/6e8d1a2a677a81caa60cf0aabd4217bd585fbba1 Patch
https://git.kernel.org/stable/c/78a88d43dab8d23aeef934ed8ce34d40e6b3d613 Patch
https://git.kernel.org/stable/c/a93d66907dd4d29b65c9797a93784bf61906d6d6 Patch
https://git.kernel.org/stable/c/cf1fd517f892ded88168df878f834b625133f86d Patch
https://git.kernel.org/stable/c/e1863e7480feddb90125d0dd5a1b572972d75908 Patch
https://git.kernel.org/stable/c/fd072f833147b0bc10c43a454624cb99d02f3fc7 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, 19:01

Type Values Removed Values Added
First Time Linux linux Kernel
Linux
CWE CWE-476
References () https://git.kernel.org/stable/c/32bd343803d4ba47cc516f9d5f037f01b855d767 - () https://git.kernel.org/stable/c/32bd343803d4ba47cc516f9d5f037f01b855d767 - Patch
References () https://git.kernel.org/stable/c/58dc5e3d8768e121907608e6e196a908512fb083 - () https://git.kernel.org/stable/c/58dc5e3d8768e121907608e6e196a908512fb083 - Patch
References () https://git.kernel.org/stable/c/6e8d1a2a677a81caa60cf0aabd4217bd585fbba1 - () https://git.kernel.org/stable/c/6e8d1a2a677a81caa60cf0aabd4217bd585fbba1 - Patch
References () https://git.kernel.org/stable/c/78a88d43dab8d23aeef934ed8ce34d40e6b3d613 - () https://git.kernel.org/stable/c/78a88d43dab8d23aeef934ed8ce34d40e6b3d613 - Patch
References () https://git.kernel.org/stable/c/a93d66907dd4d29b65c9797a93784bf61906d6d6 - () https://git.kernel.org/stable/c/a93d66907dd4d29b65c9797a93784bf61906d6d6 - Patch
References () https://git.kernel.org/stable/c/cf1fd517f892ded88168df878f834b625133f86d - () https://git.kernel.org/stable/c/cf1fd517f892ded88168df878f834b625133f86d - Patch
References () https://git.kernel.org/stable/c/e1863e7480feddb90125d0dd5a1b572972d75908 - () https://git.kernel.org/stable/c/e1863e7480feddb90125d0dd5a1b572972d75908 - Patch
References () https://git.kernel.org/stable/c/fd072f833147b0bc10c43a454624cb99d02f3fc7 - () https://git.kernel.org/stable/c/fd072f833147b0bc10c43a454624cb99d02f3fc7 - Patch
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:*:*:*:*:*:*

01 Jun 2026, 17:17

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/6e8d1a2a677a81caa60cf0aabd4217bd585fbba1 -
  • () https://git.kernel.org/stable/c/e1863e7480feddb90125d0dd5a1b572972d75908 -
  • () https://git.kernel.org/stable/c/fd072f833147b0bc10c43a454624cb99d02f3fc7 -

26 May 2026, 17:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-05-26 17:16

Updated : 2026-06-26 19:01

NVD link : CVE-2026-45836

Mitre link : CVE-2026-45836

CVE.ORG link : CVE-2026-45836

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference