CVE-2021-24086-exp

CVE-2021-24086 Esta es una prueba de concepto para CVE-2021-24086 "Vulnerabilidad de denegación de servicio de TCP/IP de Windows", una desreferencia NULL en tcpip.sys corregida por Microsoft en febrero de 2021. Según este tweet, la vulnerabilidad fue encontrada por @piazzt. Se puede activar...

CVE-2026-98302

In the Linux kernel, the following vulnerability has been resolved: n...

CVE-2026-98302

The Linux kernel contains a NULL pointer dereference vulnerability in the skfp (FDD-II) driver. The issue occurs because skfp_ctl_set_mac_address() calls ResetAdapter() unconditionally without verifying if the network interface is running via netif_running(). On an interface that has never been i...

CVE-2026-90782-s2opc-status-clobber

CVE-2026-90782 — Desreferencia NULL por sobrescritura de estado en S2OPC Prueba de concepto independiente para CVE-2026-90782 en S2OPC Safe & Secure OPC. Vulnerabilidad En allocnotificationmessageitems S2OPC 1.7.3 y anteriores: Se utiliza una única variable status compartida tanto para las...

Astra Linux – Vulnerability in krb5

In kdc/kdcpreauthec.c of the Key Distribution Center KDC in MIT Kerberos 5 also known as krb5, before versions 1.18.4 and 1.19.x, and before version 1.19.2, remote attackers could exploit a vulnerability that led to a NULL pointer dereferencing and a crash of the daemon. This occurs because the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/rds: fixed the possible null dereference of cp The cp parameter may be null. Calling cp-cpconn would result in a null dereference. Simon Horman adds: Analysis: cp is a parameter of rdsrdmamap, and it is not reassigned. The...

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

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: fib6rules: avoided possible NULL dereferencing in fib6ruleaction. syzbot is capable of triggering the following crashes 1, caused by the unsafe use of ip6dstidev. Indeed, ip6dstidev can return NULL, and this value must...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: A NULL dereference in niwriteinode has been fixed. Syzbot reported a NULL dereference in niwrite inode. When creating a new inode, if the allocation fails in the miinit function called in the miformatnew function, mi-mr...

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: net: sxgbe: fixed the potential NULL dereference in sxgberx. Currently, when skb is null, the driver prints an error and then dereferences skb on the next line. To fix this, we need to add a ‘break’ after the error message, so th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rtla/osnoise: Prevent NULL dereferencing in error handling. If the "tool-data" allocation fails, there is no need to call osnoisefreetop. In fact, doing so will lead to a NULL dereferencing...

CVE-2025-68325

CVE-2025-68325 schcake no contempla el caso en que cakeenqueue devuelve un resultado no nulo, lo que provoca un desequilibrio de qlen en el árbol de qdisc y desencadena una desreferencia nula en su planificador sched padre, p. ej., qfq. Versiones Afectadas Corregido en v6.19-rc1 Gravedad Baja...

CVE-2021-24086

CVE-2021-24086 This is a proof of concept for CVE-2021-24086 "Windows TCP/IP Denial of Service Vulnerability ", a NULL dereference in tcpip.sys patched by Microsoft in February 2021. According to this tweet, the vulnerability has been found by @piazzt. It is triggerable remotely by sending...

SMBGhost-SMBleed-scanner

Escáner de SMBGhost CVE-2020-0796 y SMBleed CVE-2020-1206 c 2020 ZecOps, Inc. - https://www.zecops.com - Encuentra errores de atacantes Destinado únicamente para fines educativos y pruebas en entornos corporativos. ZecOps no asume ninguna responsabilidad por el código, úselo bajo su propio riesgo...

cve-2026-23398-poc

Laboratorio: CVE-2026-23398 ICMP / ipnopmtudisc=3 Laboratorio reproducible para el fallo del kernel Linux en icmptagvalidation desreferencia de puntero NULL cuando net.ipv4.ipnopmtudisc = 3 y llega un ICMP Fragmentation Needed cuya cabecera IPv4 interna citada utiliza un número de protocolo sin...

CVE-2025-4476-Exploit

Exploit CVE-2025-4476 Un pequeño cliente de prueba en Python para enviar solicitudes HTTP GET con una cabecera Authorization: Basic de tamaño excesivo. Esta herramienta está destinada a pruebas de laboratorio e investigación sobre problemas de análisis de cabeceras por ejemplo, errores de...

CentOS Linux 7 [TuxCare] Security Update: libxml2 / libxml2-devel / libxml2-python / libxml2-static Multiple Vulnerabilities (CENTOS7:CLSA-2026:1781619427)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1781619427 advisory. - A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content,...

Rocky Linux 8 [CIQ] Security Update: krb5-debuginfo / krb5-debugsource / krb5-devel / etc Multiple Vulnerabilities (crlsa-2021_3576)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20213576 advisory. krb5: Sending a request containing PA-ENCRYPTED-CHALLENGE padata element without using FAST could result in NULL dereference in KDC which leads to DoS...

Rocky Linux 8 [CIQ] Security Update: libxml2 / libxml2-debuginfo / libxml2-debugsource / libxml2-devel / etc Multiple Vulnerabilities (crlsa-2023_4529)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20234529 advisory. libxml2: NULL dereference in xmlSchemaFixupComplexType CVE-2023-28484 libxml2: Hashing of empty dict strings isn't deterministic CVE-2023-29469 Tenable has...

Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2026_0443)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20260443 advisory. kernel: media: rc: fix races with imondisconnect CVE-2025-39993 kernel: sctp: avoid NULL dereference when chunk data buffer is missing CVE-2025-40240 kerne...

CentOS Linux 8.4 [TuxCare] Security Update: cups / cups-client / cups-devel / cups-filesystem / cups-ipptool / etc (CENTOS8.4:CLSA-2025:1765463952)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2025:1765463952 advisory. - OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.12 and earlier, an...