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Debian 11 — tiger — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tiger — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-3927 Upstream summary: genmsgidx in Tiger 3.2.2 allows local users to overwrite or delete arbitrary files via a symlink attack on temporary files. Table of contents Symptom & […]

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How to Configure Smart Card Authentication on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Smart Card Authentication on Windows Server 2012 R2

How to Configure Smart Card Authentication on Windows Server 2012 R2 Smart card authentication implements true two-factor authentication (2FA) by requiring something the user has (the physical smart card) and something the user knows (the PIN). On Windows Server 2012 R2, smart card logon uses certificate-based Kerberos authentication, eliminating reliance on passwords for privileged access […]

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AlmaLinux 8 — squashfs-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — squashfs-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:3139 Related CVEs: CVE-2021-40153 CVE-2021-41072 Upstream summary: SquashFS is a highly compressed read-only file system for Linux. These packages contain the utilities for manipulating squashfs file systems. Security Fix(es): * squashfs-tools: unvalidated […]

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Debian 11 — guilt — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — guilt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-5207 Upstream summary: guilt 0.27 allows local users to overwrite arbitrary files via a symlink attack on a guilt.log.[PID] temporary file. Table of contents Symptom & Impact Environment […]

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Debian 11 — db4o — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — db4o — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-6550 CVE-2013-1808 CVE-2014-1869 Upstream summary: Cross-site scripting (XSS) vulnerability in ZeroClipboard before 1.1.4 allows remote attackers to inject arbitrary web script or HTML via "the clipText returned from […]

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Amazon Linux 2 — kernel-livepatch-5.10.68-62.173 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.68-62.173 — 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-2021-073 Related CVEs: CVE-2021-4002 CVE-2021-43267 Upstream summary: A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory […]

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Oracle Linux 8 — ruby:2.7 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ruby:2.7 — vulnerability — patch and remediation guide (ELSA-2021-3020)

🟠 High   ⏱ 15–60 min  Last verified: 18 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3020 Related CVEs: CVE-2021-32066 CVE-2020-36327 CVE-2021-31810 CVE-2021-31799 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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How to Use rsync for Efficient File Synchronisation on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Use rsync for Efficient File Synchronisation on RHEL 7

How to Use rsync for Efficient File Synchronisation on RHEL 7 The rsync utility is the de facto standard for file synchronisation on Linux. Unlike a simple cp or scp, rsync transfers only the differences between source and destination, making it extraordinarily efficient for large datasets and incremental backups. On Red Hat Enterprise Linux 7, […]

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