CVE-2021-3329

DOS: Incorrect handling of the initial HCI ACL_MTU handshake packet leads to crash of bluetooth host layer

State
Published
Severity
9.6 Critical
Published
Feb 26, 2023
Updated
Mar 11, 2025
Reserved
Jan 27, 2021

Read the record on cve.org

Description

Lack of proper validation in HCI Host stack initialization can cause a crash of the bluetooth stack

Scores

CVSSScoreVectorSource
3.19.6 CriticalCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:Hzephyr

Weaknesses

  • CWE-703 Improper Check or Handling of Exceptional Conditions (CWE-703)

Affected Products

ProductVersions
zephyrzephyrproject-rtos
  • v2.4 and earlierAffected

References

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