Linux

How to Install and Configure Samba File Server on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install and Configure Samba File Server on Debian 12

Introduction How to Install and Configure Samba File Server on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from […]

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Amazon Linux 2 — kernel-livepatch-5.10.118-111.515 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.118-111.515 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2022-089 Related CVEs: CVE-2022-34918 CVE-2022-1966 Upstream summary: A heap buffer overflow flaw was found in the Linux kernel's Netfilter subsystem in the way a user provides incorrect input of the […]

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Debian 12 — rox — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rox — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1956 Upstream summary: ROX Filer 1.1.9 and 1.2 is installed with world writable permissions, which allows local users to write to arbitrary files. Table of contents Symptom & […]

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Debian 11 — lua-http — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lua-http — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 June 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-4540 Upstream summary: Improper Handling of Exceptional Conditions vulnerability in Daurnimator lua-http library allows Excessive Allocation and a denial of service (DoS) attack to be executed by sending […]

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openSUSE Tumbleweed — rxvt-unicode — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — rxvt-unicode — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0306-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-4170 CVE-2021-33477 CVE-2008-1142 CVE-2014-3121 CVE-2017-7483 Upstream summary: The rxvt-unicode package is vulnerable to a remote code execution, in the Perl background extension, when an attacker […]

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How to Harden the Linux Kernel with Grsecurity Patches on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Harden the Linux Kernel with Grsecurity Patches on Debian 12

Introduction Deploying harden the linux kernel with grsecurity patches on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]

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Ubuntu 22.04 — ruby-rmagick — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ruby-rmagick — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 June 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6960-1 Related CVEs: CVE-2023-5349 Upstream summary: Nick Browning discovered that RMagick incorrectly handled memory under certain operations. An attacker could possibly use this issue to cause a denial of service […]

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