SB2025022728 - Input validation error in Linux kernel bluetooth driver
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022728
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) Input validation error (CVE-ID: CVE-2022-49202)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the h5_enqueue() function in drivers/bluetooth/hci_h5.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/32cb08e958696908a9aad5e49a78d74f7e32fffb
- https://git.kernel.org/stable/c/7235485433d290367d60ae22fcdfc565e61d42ab
- https://git.kernel.org/stable/c/8a3896c30f542439d36303183dc96f65df8cc528
- https://git.kernel.org/stable/c/e6b6c904c0f88588b6a3ace20e4c0d61eab124f8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19