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CVE-2026-43134

Bluetooth: L2CAP: Fix missing key size check for L2CAP_LE_CONN_REQ

CVSS 8.1 HIGHEPSS 0.2%
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:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/138d7eca445ef37a0333425d269ee59900ca1104https://git.kernel.org/stable/c/335071c0c3637064ec250481f589075db44fe4e6https://git.kernel.org/stable/c/481ea39b342c347b6ac029f3d418486280be4e45https://git.kernel.org/stable/c/8dd43f9a9323f9c01bc8246da8d81a4c783c9e97https://git.kernel.org/stable/c/9118601ff90b79e8df3c0c98f48ae00c1b02ecefhttps://git.kernel.org/stable/c/96581749c7c14fbec32c35728520867929600041https://git.kernel.org/stable/c/ec91078e132179b04e0c3906b599816c056ceaadhttps://git.kernel.org/stable/c/fa6ad76fa8623c0a50d529cd5726fa5d819a3be4