QSearchQSearch

CVE-2021-3436

4.3 MEDIUM

BT: Possible to overwrite an existing bond during keys distribution phase when the identity address of the bond is known

Published: 2021-10-05 · Last updated: 2026-06-17

Severity and scoring

CVSS
4.3 MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
CWE-694

Affected products

VendorProduct
zephyrprojectzephyr

Description

BT: Possible to overwrite an existing bond during keys distribution phase when the identity address of the bond is known. Zephyr versions >= 1.14.2, >= 2.4.0, >= 2.5.0 contain Use of Multiple Resources with Duplicate Identifier (CWE-694). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-j76f-35mc-4h63

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2026-10635 — On Xtensa targets with CONFIG_USERSPACE and CONFIG_XTENSA_MMU, the page-table code (arch/xtensa/core/ptables.c) maintains a global list, ... (6.3 MEDIUM)
  • CVE-2021-3455 — Disconnecting L2CAP channel right after invalid ATT request leads freeze (4.3 MEDIUM)
  • CVE-2021-3454 — Truncated L2CAP K-frame causes assertion failure (4.3 MEDIUM)
  • CVE-2021-3330 — RCE/DOS: Linked-list corruption leading to large out-of-bounds write while sorting for forged fragment list in Zephyr (7.1 HIGH)
  • CVE-2021-3323 — Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr (8.3 HIGH)