PT-2022-6768 · Linux +8 · Linux Kernel +8

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to an out-of-bounds memory access flaw in the Linux kernel's TUN/TAP device driver functionality. This occurs when a user generates a malicious, overly large...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: i2c: Fix a potential use after free Free the adap structure only after we are done using it. This patch just moves the putdevice down a bit to avoid the use after free. wsa: added comment to the code, added Fixes...

GSD-2022-1004816 net: tun: unlink NAPI from device on destruction

net: tun: unlink NAPI from device on destruction This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.251 by commit...

GSD-2022-1004728 net: tun: stop NAPI when detaching queues

net: tun: stop NAPI when detaching queues This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.204 by commit...

GSD-2022-1004445 net: tun: stop NAPI when detaching queues

net: tun: stop NAPI when detaching queues This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.53 by commit...

GSD-2022-1004435 net: tun: avoid disabling NAPI twice

net: tun: avoid disabling NAPI twice This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.53 by commit c28f955155037586132f8aad573e06a41d260038...

PT-2021-8138 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The vulnerability is related to a double-free issue in the tun free netdev function. This issue can be exploited to execute arbitrary code and elevate privileges. The problem arises fr...

Clash - A Rule-Based Tunnel In Go

Clash A rule-based tunnel in Go. Features Local HTTP/HTTPS/SOCKS server with authentication support VMess, Shadowsocks, Trojan, Snell protocol support for remote connections Built-in DNS server that aims to minimize DNS pollution attack impact, supports DoH/DoT upstream and fake IP. Rules based o...

Ligolo-Ng - An Advanced, Yet Simple, Tunneling/Pivoting Tool That Uses A TUN Interface

An advanced, yet simple, tunneling tool that uses a TUN interface. by TNP IT Security Introduction Ligolo-ng is a simple , lightweight and fast tool that allows pentesters to establish tunnels from a reverse TCP/TLS connection without the need of SOCKS. Features Tun interface No more SOCKS! Simpl...

kernel: use after free in tun_get_user of tun.c could lead to local escalation of privilege

A flaw use after free in the Linux kernel TUN/TAP device driver functionality was found in the way user create and use tun/tap device. A local user could use this flaw to crash the system or possibly escalate their privileges on the system...

kernel: use after free in tun_get_user of tun.c could lead to local escalation of privilege

A flaw use after free in the Linux kernel TUN/TAP device driver functionality was found in the way user create and use tun/tap device. A local user could use this flaw to crash the system or possibly escalate their privileges on the system...

CVE-2021-0342

A flaw use after free in the Linux kernel TUN/TAP device driver functionality was found in the way user create and use tun/tap device. A local user could use this flaw to crash the system or possibly escalate their privileges on the system. Mitigation To mitigate this issue, prevent the module tu...

DEBIAN-CVE-2021-0342

In tungetuser of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. Product: Android; Versions: Android kernel; Android ID: A-146554327...

My Path to Akamai

Three years ago, I graduated with a bachelor's degree in Electronic Engineering Mechatronic from University Tun Hussein Onn Malaysia. I was to be an engineer in the oil and gas industry - but the universe had a better plan for me. Instead, I stepped into IT, providing Technical Support despite my...

kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service

A flaw that allowed an attacker to leak kernel memory was found in the network subsystem where an attacker with permissions to create tun/tap devices can create a denial of service and panic the system...

The vulnerability of the dev_get_valid_name function in the TUN subsystem of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the devgetvalidname function in the TUN subsystem of the Linux operating system is related to the assignment of a null pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

Linux: SSH PermitTunnel

PermitTunnel: Specifies whether tun device forwarding is allowed. The argument must be SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only...

Denial Of Service (DoS)

kernel is vulnerable to denial of service. The vulnerability exists through ioctl call in network tun handling...

kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service

A flaw that allowed an attacker to leak kernel memory was found in the network subsystem where an attacker with permissions to create tun/tap devices can create a denial of service and panic the system...

kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service

A flaw that allowed an attacker to leak kernel memory was found in the network subsystem where an attacker with permissions to create tun/tap devices can create a denial of service and panic the system...