CVE-2023-3812

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

Rocky Linux 9 : kernel (RLSA-2023:1470)

The remote Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2023:1470 advisory. - A flaw was found in the Linux kernel Traffic Control TC subsystem. Using a specific networking configuration redirecting egress packets to ingress usi...

Linux kernel double release vulnerability (CNVD-2023-34466)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel suffers from a double-release vulnerability that stems from a double-release flaw in the TUN/TAP device driver, which can be exploited by an attacker to crash a...

CVE-2022-4744

A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the registernetdevice function fails NETDEVREGISTER notifier. This flaw allows a local user to crash or potentially escalate their privileges on the system...

RHEL 9 : kpatch-patch (RHSA-2023:1466)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:1466 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fixe...

SUSE CVE-2012-2136

The sockallocsendpskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service heap-based buffer overflow and system crash or possibly gain privileges by leveraging access to a TUN/TAP...

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...

Moderate: Red Hat Security Advisory: openstack-nova security and bug fix update

An update for openstack-nova is now available for Red Hat OpenStack Platform 10.0 Newton. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

VPNPivot - Explore Internal Networks

Sometime we do external penetration testing and when we compromise the remote target we would like to explore the internal network behind and getting such compromise like owning Active directory, accessing shared files, conducting MITM attacks ... etc. There are many techniques around like port...

How to capture network trace for a XenServer VM while booting up ?

In order to troubleshoot issues related to TFTP or DHCP, we may need to capture network traces during initial VM bootup. As Virtual interface is not loaded during initial bootup phase of VM, we need to capture trace on the tap device...

Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2012-2020)

The remote Oracle Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2012-2020 advisory. - net: sock: validate datalen before allocating skb Jason Wang Bugdb: 13966CVE-2012-2136 - fcaps: clear the same personality flags as suid when fca...

USN-1598-1: Linux kernel vulnerability

An error was discovered in the Linux kernel's network TUN/TAP device implementation. A local user with access to the TUN/TAP interface which is not available to unprivileged users until granted by a root user could exploit this flaw to crash the system or potential gain administrative privileges...

Ubuntu: Security Advisory (USN-1580-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2012 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 ifdescription...

Ubuntu: Security Advisory (USN-1531-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2012 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 ifdescription...

Ubuntu: Security Advisory (USN-1529-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2012 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 ifdescription...

Ubuntu: Security Advisory (USN-1532-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2012 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 ifdescription...

Ubuntu Update for linux USN-1533-1

Ubuntu Update for Linux kernel vulnerabilities USN-1533-1 OpenVAS Vulnerability Test $Id: gbubuntuUSN15331.nasl 7960 2017-12-01 06:58:16Z santu $ Ubuntu Update for linux USN-1533-1 Authors: System Generated Check Copyright: Copyright c 2012 Greenbone Networks GmbH, http://www.greenbone.net This...

Ubuntu Update for linux-ec2 USN-1534-1

Ubuntu Update for Linux kernel vulnerabilities USN-1534-1 OpenVAS Vulnerability Test $Id: gbubuntuUSN15341.nasl 7960 2017-12-01 06:58:16Z santu $ Ubuntu Update for linux-ec2 USN-1534-1 Authors: System Generated Check Copyright: Copyright c 2012 Greenbone Networks GmbH, http://www.greenbone.net Th...

[USN-1531-1] Linux kernel vulnerabilities

========================================================================== Ubuntu Security Notice USN-1531-1 August 10, 2012 linux vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: -...

USN-1535-1: Linux kernel vulnerabilities

An error was discovered in the Linux kernel's network TUN/TAP device implementation. A local user with access to the TUN/TAP interface which is not available to unprivileged users until granted by a root user could exploit this flaw to crash the system or potential gain administrative privileges...