SB20240620180 - Out-of-bounds read in Linux kernel bluetooth 

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Main Vulnerability Database SB20240620180

SB20240620180 - Out-of-bounds read in Linux kernel bluetooth

Published: June 20, 2024 Updated: May 13, 2025

Security Bulletin ID SB20240620180
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2021-47620)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the hci_le_adv_report_evt() function in net/bluetooth/hci_event.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References