Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from vsock incorrectly handling signals/timeouts when a connection has been established, potentially leading to...

Linux afs_open_socket Heap Buffer Overflow DoS

The vulnerability of the afsopensocket function in the fs/afs/rxrpc.c module of the Andrew File System support library in the Linux operating system is related to an uncontrolled recursion. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2025-41739

An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service...

openSUSE 16 Security Update : tcpreplay (openSUSE-SU-2025-20119-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2025-20119-1 advisory. - update to 4.5.2: features added since 4.4.4 - fix/recalculate header checksum for ipv6-frag - IPv6 frag checksum support - AFXDP socket suppor...

Python Meterpreter, Reverse TCP

Meterpreter-like payload that connects back via TCP requires Python on target !/usr/bin/env python3 -- coding: utf-8 -- from kittysploit import import json import base64 import struct class ModulePayload: CLIENTLANGUAGE = "python" info = 'name': 'Python Meterpreter, Reverse TCP', 'description':...

Reverse UDP Listener

UDP reverse shell listener one session at a time. Waits for KSUDPHELLO, then exchanges line commands with chunked responses. !/usr/bin/env python3 -- coding: utf-8 -- """Reverse UDP listener with a socket-like wrapper for ClassicShell.""" from future import annotations import socket import...

CVE-2025-41739

An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service...

kernel: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect()

A flaw was found in the TCP subsystem in tcpdisconnect of the Linux kernel.The server-side TCP Fast Open socket was reused as a new client before the TFO socket completes, leading to an information leak...

CVE-2025-41739

CVE-2025-41739 affects the CODESYS Control runtime system (Linux and QNX). The issue is a race-condition in the system’s communication servers that allows an unauthenticated, remote attacker to trigger an out-of-bounds read via crafted socket communication, potentially leading to a denial of serv...

CVE-2025-41739 CODESYS Control - Linux/QNX SysSocket flaw

An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service...

CVE-2025-41739 CODESYS Control - Linux/QNX SysSocket flaw

An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service...

kernel: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect()

A flaw was found in the TCP subsystem in tcpdisconnect of the Linux kernel.The server-side TCP Fast Open socket was reused as a new client before the TFO socket completes, leading to an information leak...

kernel: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect()

A flaw was found in the TCP subsystem in tcpdisconnect of the Linux kernel.The server-side TCP Fast Open socket was reused as a new client before the TFO socket completes, leading to an information leak...

PT-2025-48434

An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service...

CVE-2025-41739: Out-of-bounds Read

An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service...

ROS-20251201-02

A vulnerability in the vfsinode.c component of the Linux kernel is related to the use of an uninitialized resource. of an uninitialized resource. Exploitation of the vulnerability could allow an attacker to cause a denial of denial of service A vulnerability in the llcpsock.c component of the Lin...

PT-2025-52889

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.7 Description The Linux kernel contains a flaw in the VXLAN implementation where a NULL pointer dereference can occur in the vxlan xmit one function. This happens because the sock4 and sock6 pointers are not...

EUVD-2025-199514

Malicious code in @alexcolls/nuxt-socket.io npm...

MAL-2025-191185 Malicious code in @alexcolls/nuxt-socket.io (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 2dee0cebdac319dea5d5f8c78c0d15431297789499f8e486729175fffb7c4f91 The package @alexcolls/nuxt-socket.io was found to contain malicious code. Source: ghsa-malware...

PT-2026-43715

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the AppArmor module. Specifically, the aa sock file perm function does not properly handle cases where sock and sock-sk can be NULL during socket set...