Security Notice – Product Impact Assessment of Linux Kernel IPv4 TCP Use-After-Free Vulnerability (CVE-2026-98432)

Summary

Linux Kernel IPv4 TCP has a use-after-free vulnerability (CVE-2026-98432). Successful exploitation of this vulnerability could lead to denial of service or arbitrary code execution.

Sangfor has noted the public disclosure of this vulnerability and has immediately initiated an investigation into its potential impact on Sangfor products and solutions. This notice is issued to confirm that Sangfor is aware of the vulnerability and that the assessment is in progress.

To confirm the impact on your specific deployment, please contact your local Sangfor representative or reach out via the Sangfor Customer Support Portal.