SB20250919119 - Improper error handling in Linux kernel bluetooth
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250919119
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 error handling (CVE-ID: CVE-2022-50419)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the hci_conn_add_sysfs() function in net/bluetooth/hci_sysfs.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/1b6c89571f453101251201f0fad1c26f7256e937
- https://git.kernel.org/stable/c/3423a50fa018e88aed4c900d59c3c8334d8ad583
- https://git.kernel.org/stable/c/448a496f760664d3e2e79466aa1787e6abc922b5
- https://git.kernel.org/stable/c/4bcefec3636208b4c97536b26014d5935d5c10a0
- https://git.kernel.org/stable/c/6144423712d570247b8ca26e50a277c30dd13702
- https://git.kernel.org/stable/c/671fee73e08ff415d36a7c16bdf238927df83884
- https://git.kernel.org/stable/c/6e85d2ad958c6f034b1b158d904019869dbb3c81
- https://git.kernel.org/stable/c/7b674dce4162bb46d396586e30e4653427023875
- https://git.kernel.org/stable/c/ef055094df4c10b73cfe67c8d43f9de1fb608a8b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17