SB2024091885 - NULL pointer dereference in Linux kernel bluetooth driver
Published: September 18, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024091885
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) NULL pointer dereference (CVE-ID: CVE-2024-46749)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the btnxpuart_close() and btnxpuart_flush() functions in drivers/bluetooth/btnxpuart.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/013dae4735d2010544d1f2121bdeb8e6c9ea171e
- https://git.kernel.org/stable/c/056e0cd381d59a9124b7c43dd715e15f56a11635
- https://git.kernel.org/stable/c/c68bbf5e334b35b36ac5b9f0419f1f93f796bad1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51