SB20241022104 - Improper locking in Linux kernel bluetooth
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022104
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2022-48982)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the hci_register_dev() function 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
- https://git.kernel.org/stable/c/549b46f8130effccf168293270bb3b1d5da529cc
- https://git.kernel.org/stable/c/a49894a5ac3656f1a4f0f6b110460060e8026bf8
- https://git.kernel.org/stable/c/dc8fa6570deadb70c3fb74d7cd8ce38849feaed0
- https://git.kernel.org/stable/c/b5ca338751ad4783ec8d37b5d99c3e37b7813e59
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.159
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1