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...

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...

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...

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 Based on the little bit outdated document here.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...

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 +...

EulerOS 2.0 SP11 : dracut (EulerOS-SA-2026-4315)

According to the versions of the dracut packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP options,...

EulerOS 2.0 SP13 : dracut (EulerOS-SA-2026-4043)

According to the versions of the dracut packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP Dynamic...

EulerOS 2.0 SP13 : dracut (EulerOS-SA-2026-4134)

According to the versions of the dracut packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP Dynamic...

EulerOS 2.0 SP11 : dracut (EulerOS-SA-2026-4224)

According to the versions of the dracut packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP options,...

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 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...

AlmaLinux 9.2 [TuxCare] Security Update: dracut / dracut-caps / dracut-config-generic / dracut-config-rescue / etc (ALMALINUX9.2:CLSA-2026:1783076363)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783076363 advisory. - A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP...

AlmaLinux 9.6 [TuxCare] Security Update: dracut / dracut-caps / dracut-config-generic / dracut-config-rescue / etc (ALMALINUX9.6:CLSA-2026:1782829348)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1782829348 advisory. - A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP...

Rocky Linux 9.6 [TuxCare] Security Update: dracut / dracut-caps / dracut-config-generic / dracut-config-rescue / etc (ALMALINUX9.6:CLSA-2026:1782829348)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1782829348 advisory. - A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP...

CentOS Linux 7 [TuxCare] Security Update: dracut / dracut-caps / dracut-config-generic / dracut-config-rescue / etc (CENTOS7:CLSA-2026:1787307553)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1787307553 advisory. - A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP Dynami...

USN-8828-1: dracut vulnerabilities

It was discovered that dracut created initramfs images with overly permissive permissions under certain circumstances. A local attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS. CVE-2016-8637 It was discovered that dracut did not...

USN-8828-1 dracut vulnerabilities

It was discovered that dracut created initramfs images with overly permissive permissions under certain circumstances. A local attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS. CVE-2016-8637 It was discovered that dracut did not...

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...

SUSE SLES15 Security Update : dracut (SUSE-SU-2026:3997-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3997-1 advisory. Update to version 059+suse.730.g73d3411aa. - CVE-2026-6893: improper handling and escaping of DHCP options can lead to command...

EulerOS Virtualization 2.12.1 : dracut (EulerOS-SA-2026-3582)

According to the versions of the dracut packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted...