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: net: fddi: skfp: fix NULL deref when setting the MAC address while down skfpctlsetmacaddress calls ResetAdapter unconditionally, without checking netifrunning. ResetAdapter first calls cardstop, which sets smc-hw.hwstate to...

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 — S2OPC Status-Clobbering NULL Dereference Standalone proof-of-concept for CVE-2026-90782 in S2OPC Safe & Secure OPC. Vulnerability In allocnotificationmessageitems S2OPC 1.7.3 and earlier: A single shared status variable is used for both DataChange and Event allocations. If the...

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 doesn't consider the case when cakeenqueue returns a non-null result, leading to the imbalanced qlen in the qdisc tree, triggering null-deref in its parent sched, e.g., qfq. Affected Versions Fixed at v6.19-rc1 Severity Low Patch In cakedrop, qdisctreereducebacklog is used ...

CVE-2021-24086

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

SMBGhost-SMBleed-scanner

SMBGhost CVE-2020-0796 and SMBleed CVE-2020-1206 Scanner c 2020 ZecOps, Inc. - https://www.zecops.com - Find Attackers' Mistakes Intended only for educational and testing in corporate environments. ZecOps takes no responsibility for the code, use at your own risk. Please contact...

cve-2026-23398-poc

Lab: CVE-2026-23398 ICMP / ipnopmtudisc=3 Reproducible lab for the Linux kernel bug in icmptagvalidation NULL dereference when net.ipv4.ipnopmtudisc = 3 and a Fragmentation Needed ICMP arrives whose quoted inner IPv4 header uses a protocol number with no handler in inetprotos. Authorized use only...

CVE-2025-4476-Exploit

CVE-2025-4476-Exploit A small Python test client to send HTTP GET requests with an oversized Authorization: Basic header. This tool is intended for lab testing and research into header-parsing issues e.g., null-dereference / crash bugs such as CVE-2025-4476 in libsoup. It demonstrates how a...

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 9 [CIQ] Security Update: edk2-aarch64 / edk2-ovmf / edk2-tools / edk2-tools-debuginfo / etc Multiple Vulnerabilities (crlsa-2024_9088)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20249088 advisory. mysql: openssl: POLY1305 MAC implementation corrupts vector registers on PowerPC CVE-2023-6129 openssl: Excessive time spent checking invalid RSA public ke...

Rocky Linux 9 [CIQ] Security Update: python3.11-cryptography / python3.11-cryptography-debuginfo / etc (crlsa-2024_2337)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20242337 advisory. python-cryptography: NULL-dereference when loading PKCS7 certificates CVE-2023-49083 Tenable has extracted the preceding description block directly from the CIQ...