SB2023040652 - Denial of service in Linux kernel IEEE 802.15.4 wireless networking subsystem
Published: April 6, 2023
Security Bulletin ID
SB2023040652
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-2021-3659)
The vulnerability allows a local usre to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the way the user closes the LR-WPAN connection within the IEEE 802.15.4 wireless networking subsystem. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.