early signals ZDI published infra

ZDI-26-837: Linux Kernel XFRM Subsystem Use-After-Free Local Privilege Escalation Vulnerability

// AI summary

Linux Kernel XFRM Subsystem has CVE-2026-98231, a use-after-free vulnerability allowing local attackers to escalate privileges on affected installations.

// from the source

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-98231.