dirtyfrag

Dirty Frag: LPE universal de Linux Resumen Este documento describe la clase de vulnerabilidades Dirty Frag, descubierta y reportada por primera vez por Hyunwoo Kim @v4bel, que puede obtener privilegios de root en las principales distribuciones de Linux encadenando la vulnerabilidad xfrm-ESP...

CVE-2026-43284

🚨 CVE-2026-43284 - Dirty Frag 🚨 Escalada local de privilegios universal en el kernel de Linux 📋 Resumen Dirty Frag también conocido como Copy Fail 2 es una vulnerabilidad de escalada local de privilegios de alto impacto en el kernel de Linux. Permite que un usuario local sin privilegios obtenga...

CVE-2022-22706-poc

CVE-2022-22706 - Page-Cache Write The Arm Mali GPU driver hands userspace a CPU-writable mapping of pages it pinned read-only, so an unprivileged process gets a writable alias of the page cache backing a file it can only open ORDONLY. exploit.c blanks root's password field in the /etc/passwd page...

CVE-2026-43284

Dirty Frag: LPE universal en Linux Abstract Este documento explica la clase de vulnerabilidad Dirty Frag, descubierta y reportada por Hyunwoo Kim @v4bel. Al encadenar xfrm-ESP Page-Cache Write CVE-2026-43284 con RxRPC Page-Cache Write CVE-2026-43500, un atacante puede escalar a root en las...

CVE-2026-89487

A flaw was found in openvswitch in the Linux kernel. This vulnerability occurs when the queueuserspacepacket function incorrectly modifies a shared network packet buffer by stripping a critical flag. This action can lead to an unprivileged page-cache write, allowing a local attacker to modify dat...

Linux Distros Unpatched Vulnerability : CVE-2026-89487

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message users...

cve-2026-31431

CVE-2026-31431 — Fallo de "copia" en algifaead del kernel Linux: Análisis Investigación de seguridad sobre CVE-2026-31431 CVSS 3.1 7.8 ALTO , AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H: tres fallos de diseño componibles en la cadena AFALG AEAD se combinan en una escritura determinista y sin condiciones ...

DEBIAN-CVE-2026-89487

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

AZL-100568 CVE-2026-89487 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

CVE-2026-89487

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

CVE-2026-89487 openvswitch: only skb_tx_error() a packet we are about to drop

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

EUVD-2026-76393

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

CVE-2026-89487 openvswitch: only skb_tx_error() a packet we are about to drop

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

CVE-2026-89487

CVE-2026-89487 affects the openvswitch subsystem in the Linux kernel. The bug resides in queue_userspace_packet(), whose error path calls skb_tx_error() on a packet that is still being forwarded through remaining flow actions. This call strips SKBFL_SHARED_FRAG from the live skb via skb_zcopy_cle...

CVE-2026-89487

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

PT-2026-90203

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skb tx error a packet we are about to drop queue userspace packet borrows the packet skb -- it only copies it into a private netlink message user skb and does not own it; on return do execute actions keeps...

CVE-2026-43284-dirtyfrag-detection

DirtyFrag CVE-2026-43284 Validación de PoC y Detección con auditd Alcance: Validación de escalada local de privilegios LPE en Linux centrada en la ruta XFRM/ESP asociada con CVE-2026-43284. Este repositorio contiene un informe en inglés y artefactos de evidencia de una validación controlada en...

copy-fail-CVE-2026-31431-poc

CVE-2026-31431 — Prueba de Concepto de Copy Fail Este repositorio contiene una prueba de concepto PoC del exploit para CVE-2026-31431 , una vulnerabilidad de escalada de privilegios local de alta gravedad en el kernel de Linux que permite a cualquier usuario local sin privilegios obtener acceso...

XCP_ng_CVE-2026-31431_tester

CVE-2026-31431 "Copy Fail" — Detector de laboratorio para XCP-ng Un script detector seguro y no destructivo para CVE-2026-31431 "Copy Fail", validado contra XCP-ng 8.3 LTS anterior a la actualización de seguridad del 5 de mayo de 2026. ⚠️ Solo uso autorizado. Ejecute este script exclusivamente en...

CVE-2026-31431-PoC

PoC CVE-2026-31431 Escalada de Privilegios Local en el Kernel de Linux mediante Escritura en Caché de Páginas de algifaead "Copy Fail" Autor: Van Glenndon Enad Descubrimiento Original: Theori / Xint Code Research Team Taeyang Lee Publicado: 29 de abril de 2026 Severidad: Alta Puntuación CVSS v3.1...