SB20251210133 - Input validation error in Linux kernel openvswitch
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB20251210133
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-2023-53843)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the ovs_dp_cmd_new() and ovs_vport_cmd_new() functions in net/openvswitch/datapath.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.