CVEvulnerability
CVE-2026-43134
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-05-06
- Last modified
- 2026-10-19
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 8.1 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-326
Description
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.
Affected configurations
• linux linux kernel (>= 3.14 < 5.10.252)
• linux linux kernel (>= 5.11 < 5.15.202)
• linux linux kernel (>= 5.16 < 6.1.165)
• linux linux kernel (>= 6.2 < 6.6.128)
• linux linux kernel (>= 6.7 < 6.12.75)
• linux linux kernel (>= 6.13 < 6.18.16)
• linux linux kernel (>= 6.19 < 6.19.6)
• linux linux kernel 7.0
Related
Weakness · CWE (1)
- CWE-326 Inadequate Encryption Strength weakness
References
- 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