Linux

How to Install Icinga2 on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Install Icinga2 on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying install icinga2 on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Icinga2 on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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AlmaLinux 8 — which — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — which — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2067 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 8 — perl-DBD-Pg — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-DBD-Pg — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2022:1957 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

Debian 11 — qtcreator — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-3374 Upstream summary: Qt Creator before 2.0.1 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library […]

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Debian 11 — shtool — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — shtool — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-1751 CVE-2005-1759 Upstream summary: Race condition in shtool 2.0.1 and earlier allows local users to create or modify arbitrary files via a symlink attack on the .shtool.$$ temporary […]

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AlmaLinux 8 — libdrm — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libdrm — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1855 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

Debian 11 — apertium — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4939 Upstream summary: apertium 3.0.7 allows local users to overwrite arbitrary files via a symlink attack on (a) /tmp/#####.lex.cc, (b) /tmp/#####.deformat.l, (c) /tmp/#####.reformat.l, (d) /tmp/#####docxorig, (e) /tmp/#####docxsalida.zip, (f) […]

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

Debian 11 — mgdiff — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-3331 Upstream summary: viewpatch in mgdiff 1.0 allows local users to overwrite arbitrary files via a symlink attack on temporary files. Table of contents Symptom & Impact Environment […]

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

Debian 11 — ohcount — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-16926 Upstream summary: Ohcount 3.0.0 is prone to a command injection via specially crafted filenames containing shell metacharacters, which can be exploited by an attacker (providing a source […]

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Debian 11 — murano-dashboard — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — murano-dashboard — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-4972 Upstream summary: OpenStack Murano before 1.0.3 (liberty) and 2.x before 2.0.1 (mitaka), Murano-dashboard before 1.0.3 (liberty) and 2.x before 2.0.1 (mitaka), and python-muranoclient before 0.7.3 (liberty) and […]

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