CVE-2026-43134

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix missing key size check for L2CAP_LE_CONN_REQ This adds a check for encryption key size upon receiving L2CAP_LE_CONN_REQ which is required by L2CAP/LE/CFC/BV-15-C which expects L2CAP_CR_LE_BAD_KEY_SIZE.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/138d7eca445ef37a0333425d269ee59900ca1104	Patch
https://git.kernel.org/stable/c/335071c0c3637064ec250481f589075db44fe4e6	Patch
https://git.kernel.org/stable/c/481ea39b342c347b6ac029f3d418486280be4e45	Patch
https://git.kernel.org/stable/c/8dd43f9a9323f9c01bc8246da8d81a4c783c9e97	Patch
https://git.kernel.org/stable/c/9118601ff90b79e8df3c0c98f48ae00c1b02ecef	Patch
https://git.kernel.org/stable/c/96581749c7c14fbec32c35728520867929600041	Patch
https://git.kernel.org/stable/c/ec91078e132179b04e0c3906b599816c056ceaad	Patch
https://git.kernel.org/stable/c/fa6ad76fa8623c0a50d529cd5726fa5d819a3be4	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:7.0:rc1::::::

History

No history.

Information

Published : 2026-05-06 12:16

Updated : 2026-06-17 10:48

NVD link : CVE-2026-43134

Mitre link : CVE-2026-43134

CVE.ORG link : CVE-2026-43134

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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