SB2023050977 - Denial of service in Linux kernel MPTCP
Published: May 9, 2023
Security Bulletin ID
SB2023050977
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-2022-4128)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the MPTCP protocol when traversing the subflow list at disconnect time. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.