CVE-2023-32629

CVE-2023-32629 — Escalada de privilegios local total en OverlayFS Escalada de privilegios local en OverlayFS: análisis completo hasta la escalada total Solo con fines educativos y de investigación de seguridad autorizada. Gravedad: Alta Tipo: Escalada de privilegios local LPE Afectados: kernels d...

docker_cve-2015-2925

Docker + CVE-2015-2925 = escapando de --volume Vulnerabilidad reciente en Linux conocida desde hace aproximadamente medio año varios meses de forma pública hizo posible escapar de los bind mounts. En particular, en el caso de Docker es posible escapar desde el interior del directorio montado...

CVE-2024-1086

CVE-2024-1086 Prueba de concepto Proof-of-Concept universal de escalada de privilegios local para CVE-2024-1086, que funciona en la mayoría de los kernels de Linux entre v5.14 y v6.6, incluyendo Debian, Ubuntu y KernelCTF. La tasa de éxito es del 99.4% en las imágenes de KernelCTF...

CVE-2026-23111

Auditor CVE-2026-23111 Linux Kernel nftables UAF Este repositorio contiene un script de auditoría automatizado en Bash diseñado para evaluar de manera profunda y precisa la vulnerabilidad CVE-2026-23111 en entornos Linux. 🔍 ¿Qué es la vulnerabilidad CVE-2026-23111? CVE-2026-23111 es una...

CVE-2022-2588

CVE-2022-2588 La corrección El error está corregido en Linux v5.19 mediante este commit. El bug El bug fue introducido en Linux v3.17 mediante este commit en 2014. Requiere User Namespaces para activarse. Este bug es muy similar a CVE-2021-3715, que fue causado por una operación inadecuada en la...

CVE-2026-46243

🚨 CVE-2026-46243 - CIFSwitch Escalada de Privilegios Local del Kernel de Linux LPE Vulnerabilidad de escalada de privilegios local que afecta al cliente CIFS/SMB del kernel de Linux. 📖 Resumen CVE-2026-46243 es una vulnerabilidad de escalada de privilegios local LPE dentro del cliente CIFS/SMB de...

OverlayFS---CVE-2021-3493

En resumen Descubre cómo una vulnerabilidad en OverlayFS permite a usuarios locales en Ubuntu obtener privilegios de root. Resumen de la vulnerabilidad Un problema específico de Ubuntu en el sistema de archivos overlayfs del kernel de Linux donde no validaba correctamente la aplicación de las...

CVE-2021-3493

CVE-2021-3493 Escalada de privilegios local en OverlayFS de Ubuntu Versiones afectadas Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Uso gcc exploit.c -o exploit chmod +x exploit ./exploit Descripción "Problema específico de Ubuntu en el sistema de archivos...

CVE-2024-1086

CVE-2024-1086 Exploit de prueba de concepto universal para escalada local de privilegios para CVE-2024-1086, que funciona en la mayoría de los kernels de Linux entre v5.14 y v6.6, incluyendo Debian, Ubuntu y KernelCTF. La tasa de éxito es del 99.4% en las imágenes de KernelCTF...

check-cve-2026-23111

CVE-2026-23111 Defensive Validation Script Overview CVE-2026-23111 is a Linux kernel vulnerability in nftables that can be exploited for local privilege escalation by an unprivileged user on systems where user namespaces and nftables are available.12 Public vendor and government advisories descri...

Astra Linux – Vulnerability in Linux, Linux 5.10

A heap-based buffer overflow flaw was discovered in the way the legacyparseparam function in the Linux kernel’s Filesystem Context functionality verifies the length of the supplied parameters. A non-privileged user if non-privileged user namespaces are enabled, otherwise requiring CAPSYSADMIN...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: AppArmor: Fixed the issue by limiting the number of levels of policy namespaces. Currently, the number of policy namespaces is not bounded, relying on the user namespace limits. However, policy namespaces are not strictly tied to...

Astra Linux – Vulnerability in Linux

The overlayfs implementation in the Linux kernel failed to properly validate, regarding user namespaces, the setting of file capabilities on files in the underlying file system. Due to the combination of unprivileged user namespaces and a patch carried in the Ubuntu kernel that allows unprivilege...

Astra Linux – Vulnerability in runc-app

Runc is a CLI tool for spawning and running containers according to the OCI specification. Runc versions 1.1.13 and earlier, as well as 1.2.0-rc2 and earlier, can be exploited by creating empty files or directories in arbitrary locations within the host filesystem. This is achieved by sharing a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables – Fixed an inverted genmask check in nftmapcatchallactivate. nftmapcatchallactivate includes an inverted element activity check compared to its non-catchall counterpart, nftmapelemactivate, and compared to...

CVE-2026-68335

In the Linux kernel, the following vulnerability has been resolved: rds: drop incoming messages that cross network namespace boundaries rdsfindbound looks up the destination socket using a global rhashtable keyed solely on addr, port, scopeid. Network namespaces are not part of the key, so a send...

CVE-2026-68186

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: set haveexecfd only once the interpreter is opened loadmiscbinary raises bprm-haveexecfd as soon as it sees the 'O' or 'C' flag. This happens well before it opens the interpreter. If that open fails the flag stays set...

EUVD-2026-55287

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: set haveexecfd only once the interpreter is opened loadmiscbinary raises bprm-haveexecfd as soon as it sees the 'O' or 'C' flag. This happens well before it opens the interpreter. If that open fails the flag stays set...

CVE-2026-68186: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: set haveexecfd only once the interpreter is opened loadmiscbinary raises bprm-haveexecfd as soon as it sees the 'O' or 'C' flag. This happens well before it opens the interpreter. If that open fails the flag stays set...

CVE-2026-68335: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: rds: drop incoming messages that cross network namespace boundaries rdsfindbound looks up the destination socket using a global rhashtable keyed solely on addr, port, scopeid. Network namespaces are not part of the key, so a send...