PPhying中文
Curated security research, vulnerabilities, advisories and tools for practitioners.

Fragnesia: Linux Kernel Local Privilege Escalation via ESP-in-TCP

wiz.io | vulnerability | #privilege-escalation | #linux-kernel | #vulnerability | #fragnesia | #dirtyfrag | #page-cache
📄 Raw .md⬇️ Download .md🔗 Original ↗

Summary

Fragnesia, a new DirtyFrag-family Linux LPE, abuses XFRM ESP-in-TCP skb coalescing and AES-GCM keystream manipulation to corrupt the page cache and overwrite /usr/bin/su in memory for root.
Published
Collected

Related coverage

research · github.com
Infinity Core: Linux Kernel Core Subsystems LPE and Container Escape Research
Unlike most modern Linux kernel exploits that depend on networking, eBPF, or unprivileged user namespaces, these vulnerabilities reside in fundamental kernel core subsystems, rendering standard container sandboxes and Android application domain restrictions ineffective against local privilege escalation.
High · vulnerability · codeberg.org
cowcups: CUPS cups-fontpath Local Privilege Escalation (LPE) to Root PoC
Demonstrates an effective local root privilege escalation chain in default CUPS environments by abusing printer discovery and Ghostscript font search paths.
vulnerability · volexity.com
[CVE-2026-104935] A Series of Unauthenticated Events: Chained Exploitation of Ivanti Connect Secure Zero-Days
# A Series of Unauthenticated Events: Chained Exploitation of Ivanti Connect Secure Zero-Days October 13, 2026 Charlie Gardner, Sean Koessel, Steven Adair, and Volexity Volcano Team **_Volexity...
research · starlabs.sg
[CVE-2025-39964] How I Found a $113,337 AF_ALG Linux Local Privilege Escalation Before Copy Fail
A retrospective on CVE-2025-39964, an AF_ALG race condition causing out-of-bounds scatterlist access in the Linux kernel. Exploitation yields root and a Docker container escape.
vulnerability · wiz.io
[CVE-2026-111497] Broccoli2shell: Everything You Need To Know About The Critical Brotli Decoder Vulnerability
Detect and mitigate CVE-2026-111497, a critical Brotli decoder vulnerability enables remote code execution.
vulnerability · wiz.io
PHP2Shell: AI uncovers critical RCE vulnerabilities affecting 70% of the Internet
Core PHP engine flaws enable remote code execution and Heartbleed-style memory disclosure across the web.
Back