---
id: 6841
title: "[CVE-2026-43284] Dirty Frag: Linux Kernel Local Privilege Escalation via ESP and RxRPC"
cve: CVE-2026-43284
source_domain: wiz.io
source_url: "https://www.wiz.io/blog/dirty-frag-linux-kernel-local-privilege-escalation-via-esp-and-rxrpc"
published_at: "2026-05-08T08:57:17Z"
tags: ["privilege-escalation", "linux-kernel", "vulnerability", "infosec", "dirty-frag", "cve-2026-43284"]
phying_url: "https://phying.com/item/6841"
lang: en
---

# [CVE-2026-43284] Dirty Frag: Linux Kernel Local Privilege Escalation via ESP and RxRPC

## Summary

Dirty Frag (CVE-2026-43284, CVE-2026-43500) chains page-cache write flaws in Linux's ESP and RxRPC subsystems for deterministic root escalation on major distros; public PoC out, patches pending.

## Intelligence Metadata

- **Sources:** wiz.io
- **CVE:** CVE-2026-43284
- **Published:** 2026-05-08T08:57:17Z
- **Original:** https://www.wiz.io/blog/dirty-frag-linux-kernel-local-privilege-escalation-via-esp-and-rxrpc
- **Phying News:** https://phying.com/item/6841