SB2025011794 - Improper locking in Linux kernel net bluetooth

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Main Vulnerability Database SB2025011794

SB2025011794 - Improper locking in Linux kernel net bluetooth

Published: January 17, 2025 Updated: May 11, 2025

Security Bulletin ID SB2025011794
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) Improper locking (CVE-ID: CVE-2024-57894)

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

The vulnerability exists due to improper locking within the sco_connect_ind() and sco_connect_cfm() functions in net/bluetooth/sco.c, within the rfcomm_run() and rfcomm_security_cfm() functions in net/bluetooth/rfcomm/core.c, within the l2cap_global_fixed_chan(), l2cap_connect_cfm() and l2cap_disconn_ind() functions in net/bluetooth/l2cap_core.c, within the iso_match() function in net/bluetooth/iso.c, within the DEFINE_RWLOCK(), hci_register_cb() and hci_unregister_cb() functions in net/bluetooth/hci_core.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References