booster

Booster - fast, secure, modern initramfs for Linux Booster makes early boot feel lighter, faster, and more dependable. It builds compact initramfs images that move your Linux system from firmware to the real root filesystem with minimal fuss and strong encrypted-boot support. Instead of packing a...

linux-kernel-exploitation

Linux Kernel Exploitation A collection of links related to Linux kernel security and exploitation. Updated bimonthly. Pull requests are welcome as well. Follow @andreyknvl on X, @[email protected] on Mastodon, or @andreyknvl on Bluesky to be notified of updates. Subscribe to @linkersec on...

dracut: dracut: Root code execution via DHCP options command injection

A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP Dynamic Host Configuration Protocol options, such as a malicious hostname, to a system using dracut's legacy DHCP path. These options are improperly handled and...

kali-rpi-luks-crypt

Full disk encryption for Kali on Raspberry or other similar architecture using LUKS This HOWTO is dedicated to running Kali on Raspberry or other similar architecture, e.g. ODROID-C2 using full disk encryption with LUKS. Based on the little bit outdated document here. Motivation Deploying Kali on...

wireguard-initramfs

wireguard-initramfs Use dropbear over wireguard. Enables wireguard networking during kernel boot, before encrypted partitions are mounted. Combined with dropbear this can enable FULLY ENCRYPTED remote booting without storing key material or exposing ports on the remote network. An Internet...

microcode_ctl security, bug fix, and enhancement update

4:20260812-1.0.3 - disable late update for 06-ad-01 - add support for UEK7/UEK8 and ueknext kernels - don't bother calling dracut if virtualized Orabug: 35710077 - ensure UEK also rebuilds initramfs Orabug: 34280058 - add support for UEK7 kernels - enable early update for 06-4f-01 - remove no...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: initramfs: Avoid filename buffer overflow The initramfs filename field is defined in Documentation/driver-api/early-userspace/buffer-format.rst as follows: plaintext 37 cpiofile := ALGN4 + cpioheader + filename + "\0" + ALGN4 +...

openSUSE 16 Security Update : dracut (openSUSE-SU-2026:21749-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21749-1 advisory. Update to version 059+suse.730.g73d3411aa. - CVE-2026-6893: improper handling and escaping of DHCP options can lead to command injection and roo...

Security update for dracut

This update for dracut fixes the following issues: Update to version 059+suse.730.g73d3411aa. CVE-2026-6893: improper handling and escaping of DHCP options can lead to command injection and root code execution within the initramfs bsc1268322. CVE-2026-16445: improper handling and escaping of DHCP...

Important: Red Hat Security Advisory: dracut security update

An update for dracut is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

dracut: dracut: Root code execution via DHCP options command injection

A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP Dynamic Host Configuration Protocol options, such as a malicious hostname, to a system using dracut's legacy DHCP path. These options are improperly handled and...

dracut: dracut: root code execution via unescaped error message written to sourced emergency hook script in die()

A flaw was found in dracut. The die error-handling function writes its message into a shell script under the initramfs emergency-hook directory without properly shell-quoting it. When the message contains data derived from the DHCP ROOTPATH option, an attacker on the adjacent network who controls...

dracut: dracut: Root code execution via DHCP options command injection

A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP Dynamic Host Configuration Protocol options, such as a malicious hostname, to a system using dracut's legacy DHCP path. These options are improperly handled and...

Important: Red Hat Security Advisory: dracut security update

An update for dracut is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring Syst...

Important: dracut

Issue Overview: A flaw was found in dracut. The die error-handling function writes its message into a shell script under the initramfs emergency-hook directory without properly shell-quoting it. When the message contains data derived from the DHCP ROOTPATH option, an attacker on the adjacent...

Important: dracut

Issue Overview: A flaw was found in dracut. The die error-handling function writes its message into a shell script under the initramfs emergency-hook directory without properly shell-quoting it. When the message contains data derived from the DHCP ROOTPATH option, an attacker on the adjacent...

OESA-2026-3501 dracut security update

dracut contains tools to create bootable initramfses for the Linux kernel. Unlike previous implementations, dracut hard-codes as little as possible into the initramfs. dracut contains various modules which are driven by the event-based udev. Having root on MD, DM, LVM2, LUKS is supported as well ...

dracut: dracut: Root code execution via DHCP options command injection

A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP Dynamic Host Configuration Protocol options, such as a malicious hostname, to a system using dracut's legacy DHCP path. These options are improperly handled and...

dracut: dracut: root code execution via unescaped error message written to sourced emergency hook script in die()

A flaw was found in dracut. The die error-handling function writes its message into a shell script under the initramfs emergency-hook directory without properly shell-quoting it. When the message contains data derived from the DHCP ROOTPATH option, an attacker on the adjacent network who controls...

dracut: dracut: Root code execution via DHCP options command injection

A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP Dynamic Host Configuration Protocol options, such as a malicious hostname, to a system using dracut's legacy DHCP path. These options are improperly handled and...