SB20241022109 - Improper locking in Linux kernel bluetooth rfcomm
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022109
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-2024-50044)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the rfcomm_sock_ioctl() function in net/bluetooth/rfcomm/sock.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/ef44274dae9b0a90d1a97ce8b242a3b8243a7745
- https://git.kernel.org/stable/c/496b2ab0fd10f205e08909a125485fdc98843dbe
- https://git.kernel.org/stable/c/ced98072d3511b232ae1d3347945f35f30c0e303
- https://git.kernel.org/stable/c/38b2d5a57d125e1c17661b8308c0240c4a43b534
- https://git.kernel.org/stable/c/4cb9807c9b53bf1e5560420d26f319f528b50268
- https://git.kernel.org/stable/c/08d1914293dae38350b8088980e59fbc699a72fe
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.323
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.285
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.57