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CVE PROGRAM SOURCE RECORD8.1 High

CVE-2026-43134

Bluetooth: L2CAP: Fix missing key size check for L2CAP_LE_CONN_REQ

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Status
Published
Published
Updated
Assigning organization
Linux

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d to < 335071c0c3637064ec250481f589075db44fe4e6affected
  • 27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d to < fa6ad76fa8623c0a50d529cd5726fa5d819a3be4affected
  • 27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d to < 9118601ff90b79e8df3c0c98f48ae00c1b02ecefaffected
  • 27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d to < 481ea39b342c347b6ac029f3d418486280be4e45affected
  • 27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d to < ec91078e132179b04e0c3906b599816c056ceaadaffected
  • 27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d to < 96581749c7c14fbec32c35728520867929600041affected
  • 27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d to < 8dd43f9a9323f9c01bc8246da8d81a4c783c9e97affected
  • 27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d to < 138d7eca445ef37a0333425d269ee59900ca1104affected

Linux Linux

Default version status: affected

  • 3.14affected
  • 0 to < 3.14unaffected
  • 5.10.252 to ≤ 5.10.*unaffected
  • 5.15.202 to ≤ 5.15.*unaffected
  • 6.1.165 to ≤ 6.1.*unaffected
  • 6.6.128 to ≤ 6.6.*unaffected
  • 6.12.75 to ≤ 6.12.*unaffected
  • 6.18.16 to ≤ 6.18.*unaffected
  • 6.19.6 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References