kernel: ACPI table override allowed when securelevel is enabled

The Linux kernel, as used in Red Hat Enterprise Linux 7.2 and Red Hat Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended Secure Boot restrictions and execute untrusted code by appending ACPI tables to the initrd...

kernel: ACPI table override allowed when securelevel is enabled

The Linux kernel, as used in Red Hat Enterprise Linux 7.2 and Red Hat Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended Secure Boot restrictions and execute untrusted code by appending ACPI tables to the initrd...

SUSE-SU-2016:2553-1 Security update for kdump

This update for kdump provides several fixes and enhancements: - Refresh kdumprd if /etc/hosts or /etc/nsswitch.conf is changed. bsc943214 - Add a separate systemd service to rebuild kdumprd at boot. bsc943214 - Improve network setup in the kdump environment by reading configuration from wicked b...

CVE-2016-3699

The Linux kernel, as used in Red Hat Enterprise Linux 7.2 and Red Hat Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended Secure Boot restrictions and execute untrusted code by appending ACPI tables to the initrd...

[slackware-security] kernel

New kernel packages are available for Slackware 14.1 to fix a security issue. Here are the details from the Slackware 14.1 ChangeLog: patches/packages/linux-3.10.103/: Upgraded. A flaw was found in the implementation of the Linux kernels handling of networking challenge ack where an attacker is...

SUSE-SU-2016:1346-1 Security update for systemd

This update for SystemD provides fixes and enhancements. The following security issue has been fixed: - Don't allow read access to journal files to users. bsc972612, CVE-2014-9770, CVE-2015-8842 The following non-security issues have been fixed: - Restore initrd-udevadm-cleanup-db.service...

openSUSE: Security Advisory for grub2 (openSUSE-SU-2016:0036-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 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...

Security update for grub2 (important)

Fix buffer overflows when reading username and password. bsc956631, CVE-2015-8370 - Check MS-DOS header to find PE file header. bsc954126 - Use dirname for copying Xen kernel and initrd to esp. bsc955493 - Fix reading password by grub2-mkpasswd-pbdk2 without controlling tty. bsc954519 - Add luks,...

FreeBSD : xen-tools -- libxl leak of pv kernel and initrd on error (5d1d4473-b40d-11e5-9728-002590263bf5)

The Xen Project reports : When constructing a guest which is configured to use a PV bootloader which runs as a userspace process in the toolstack domain e.g. pygrub libxl creates a mapping of the files to be used as kernel and initial ramdisk when building the guest domain. However if building th...

SUSE SLED12 / SLES12 Security Update : grub2 (SUSE-SU-2015:2387-1)

Fix buffer overflows when reading username and password. bsc956631, CVE-2015-8370 - Check MS-DOS header to find PE file header. bsc954126 - Use dirname for copying Xen kernel and initrd to esp. bsc955493 - Fix reading password by grub2-mkpasswd-pbdk2 without controlling tty. bsc954519 - Add luks,...

openSUSE Security Update : the Linux Kernel (openSUSE-2015-686)

The openSUSE 13.2 kernel was updated to receive various security and bugfixes. Following security bugs were fixed : - CVE-2015-3290: arch/x86/entry/entry64.S in the Linux kernel on the x8664 platform improperly relied on espfix64 during nested NMI processing, which allowed local users to gain...

DEBIAN-CVE-2015-2666

Stack-based buffer overflow in the getmatchingmodelmicrocode function in arch/x86/kernel/cpu/microcode/intelearly.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to th...

Stack overflow

Stack-based buffer overflow in the getmatchingmodelmicrocode function in arch/x86/kernel/cpu/microcode/intelearly.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to th...

Vulnerabilities in the operating system openSUSE, which allow a malicious individual to compromise the accessibility of protected information

Multiple vulnerabilities exist in the um-host-install-initrd package of the OpenSUSE operating system. Exploitation of these vulnerabilities can lead to a violation of the accessibility of protected information. These vulnerabilities can be exploited remotely...

Booting Kali Linux Live over HTTP

The basic premise involves using the Kali Live kernel and initrd for booting, while calling the Kali root filesystem through an HTTP URI. The initial boot process can take place over the network via PXE or a minimal USB/CD – while the remote root filesystem is a squashfs image served over HTTP vi...

UBUNTU-CVE-2015-2666

Stack-based buffer overflow in the getmatchingmodelmicrocode function in arch/x86/kernel/cpu/microcode/intelearly.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to th...

PT-2015-5825 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 4.0 Description: The issue is a stack-based buffer overflow in the get matching model microcode function, located in arch/x86/kernel/cpu/microcode/intel early.c. This allows context-dependent attackers to gain...

PXE Boot Exploit Server

This module provides a PXE server, running a DHCP and TFTP server. The default configuration loads a linux kernel and initrd into memory that reads the hard drive; placing a payload to install metsvc, disable the firewall, and add a new user metasploit on any Windows partition seen, and add a uid...

PXE Exploit Server

This module requires Metasploit: http//metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework require 'msf/core' require 'rex/proto/tftp' require 'rex/proto/dhcp' class Metasploit3 'PXE Exploit Server', 'Description' = %q This module provides a PXE server, running ...

PXE Exploit Server

This module provides a PXE server, running a DHCP and TFTP server. The default configuration loads a linux kernel and initrd into memory that reads the hard drive; placing the payload on the hard drive of any Windows partition seen. Note: the displayed IP address of a target is the address this...