Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfs, fscache: This issue prevents Oops exceptions in fscacheputcache. This function dereferences the “cache” object, and then checks whether it is ISERRORNULL. It checks first, and then derefserences the object...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: fix missing folio cleanup in writeback race path In zswapwritebackentry, after obtaining a folio from readswapcacheasync, we reacquire the tree lock to ensure that the swap entry was not invalidated or recycled. If it...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/slabcommon: fix slabcaches list corruption after kmemcachedestroy After the commit in Fixes:, if a module that created a slab cache does not release all of its allocated objects before destroying the cache at rmmod time, we...

Astra Linux – Vulnerability in wpa

Implementations of SAE in hostapd before version 2.10, and wpasupplicant before version 2.10, are vulnerable to side-channel attacks due to cache access patterns. NOTE: This issue exists due to an incomplete fix for CVE-2019-9494...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: vfs: Do not evict inode under the inode lru traversing context The inode reclaiming process see function pruneicachesb collects all reclaimable inodes and marks them with the IFREEING flag. At that time, other processes will b...

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: ocfs2: Clearing the extent cache after moving/defragmenting extents The extent map cache can become stale when extents are moved or defragmented, causing subsequent operations to see outdated extent flags. This triggers a BUGON i...

Astra Linux – Vulnerability in Xen

A issue was discovered in Xen versions 4.9 through 4.14.x. On the ARM architecture, a guest can control whether memory accesses bypass the cache. This means that Xen needs to ensure that all writes such as those during scrubbing have reached the memory before handing over the page to the guest...

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

In the Linux kernel, the following vulnerabilities have been resolved: bcache: fixed a NULL pointer in cachesetFlush 1. LINE1794 – LINE1887 contains code related to the function of bchcachesetalloc. 2. LINE2078 – LINE2142 contains code related to the function of registercacheset. 3. The...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: skbuff: The SKBFLSHAREDFRAG bit was not properly propagated through the frag-transfer helpers. Two frag-transfer helpers pskbcopyfclone and skbshift fail to propagate the SKBFLSHAREDFRAG bit in skbshinfo-flags when moving...

Astra Linux – Vulnerability in imagemagick

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, an attacker who could connect to the magick-distribute-cache service could hijack a file descriptor in the server process when a race condition occurred. This...

DIRTY-FRAG-Detection-with-Wazuh-4.14.4

Detección de DIRTY FRAG con Wazuh 4.14.4 - CVE-2026-43284 / CVE-2026-43500 Ingeniería de detección para la LPE del kernel Dirty Frag - Ubuntu / RHEL / Debian / Amazon Linux ¿Qué es Dirty Frag? CVE-2026-43284 / CVE-2026-43500 es una escalada de privilegios local LPE del kernel de Linux que encaden...

cve-2023-30861-poc

CVE-2023-30861 PoC Prueba de concepto ⚠️ PRECAUCIÓN CAUTION Este proyecto es un PoC destinado a reproducir la vulnerabilidad CVE-2023-30861 de Flask. NO lo ejecute jamás en un entorno expuesto a Internet. Si se conecta a una red con acceso externo, podría ser explotado para ataques reales. ⚠️...

CVE-2026-43284

Dirty Frag - Vulnerabilidad crítica del kernel Linux - CVE-2026-43284 📚 Introducción La cadena de explotación, clasificada como Escalada Local de Privilegios LPE , permite a un usuario sin privilegios obtener acceso root en prácticamente todas las distribuciones modernas de Linux que ejecutan...

Important: Red Hat Security Advisory: bind9.18 security update

An update for bind9.18 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

bind9: bind: BIND 9: Denial of Service via 16-bit length truncation in DNS negative cache handling

A flaw was found in bind9's named component. A remote attacker, by sending a specially crafted DNS negative answer of exactly 65536 bytes from an authoritative server, can cause a 16-bit length truncation. This results in a zero-byte negative cache entry. When named attempts to read this invalid...

CVE-2026-43494-PinTheft-PoC

SLEY — PoC de PinTheft CVE-2026-43494 Prueba de concepto — uid=1000raken → uid=0root después de ./sley en WSL2 6.6.87.2-microsoft-standard-WSL2 Prueba de concepto de un solo archivo para CVE-2026-43494 PinTheft: una escalada local de privilegios en el kernel de Linux que encadena un bug de conteo...

TID-The-Instant-Destroyer

TID — El Destructor Instantáneo Investigación de seguridad independiente en el campo de la protección contra ataques de canal lateral basados en caché. Resumen TID es un protocolo especializado diseñado para eliminar los restos de datos sensibles como claves criptográficas de las capas de caché d...

CVE-2026-43284-DirtyFrag-PoC

CVE-2026-43284 — 4字节XFRM/ESP 概念验证 通过XFRM/ESP页缓存损坏实现本地权限提升 4字节写入原语 · 48次迭代 · 192字节ELF覆写 · 非特权用户 + netns 概念验证 左图： 内核预检、setuid 扫描及利用链 · 右图： 生成的 root shell —— id / whoami 确认 uid=0root 测试于 WSL2 · Ubuntu 24.04.1 LTS · 内核 6.6.87.2-microsoft-standard-WSL2 ╔═══════════════════════════════════════╗ ║ SLEY ...

poisontap

PoisonTap - extrae cookies, expone el router interno e instala una puerta trasera web en ordenadores bloqueados Creado por @SamyKamkar || https://samy.pl Cuando PoisonTap una Raspberry Pi Zero y Node.js se conecta a un ordenador bloqueado/protegido por contraseña , hace lo siguiente: emula un...

CVE-2026-31431

CVE-2026-31431 "Copy Fail" - Herramienta de Investigación y Pentesting ⚠️ AVISO LEGAL Este proyecto se proporciona estrictamente para: Investigación en seguridad Fines educativos Pruebas de penetración autorizadas Entornos CTF y de laboratorio Al usar esta herramienta, usted acepta que: Usted pose...