Linux

Oracle Linux 8 — curl — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — curl — security and stability fixes — required update (ELSA-2023-2963)

🟢 Low   ⏱ 5–15 min  Last verified: 18 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2963 Related CVEs: CVE-2022-43552 CVE-2022-35252 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Automate CentOS Stream 9 with Ansible — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Automate CentOS Stream 9 with Ansible

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

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

Debian 11 — redir — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-37182 Upstream summary: Redir 3.3 contains a stack overflow vulnerability in the doproxyconnect() function that allows attackers to crash the application by sending oversized input. Attackers can exploit […]

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Debian 11 — node-getobject — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-getobject — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28282 Upstream summary: Prototype pollution vulnerability in 'getobject' version 0.1.0 allows an attacker to cause a denial of service and may lead to remote code execution. Table of […]

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

AlmaLinux 8 — jctools — 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-2022:1963 Upstream summary: This enhancement update adds the log4j:2 module to AlmaLinux (BZ#1937468) For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table […]

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

Debian 11 — lookatme — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15271 Upstream summary: In lookatme (python/pypi package) versions prior to 2.3.0, the package automatically loaded the built-in "terminal" and "file_loader" extensions. Users that use lookatme to render untrusted […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 18 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4434 CVE-2012-4435 CVE-2012-4436 Upstream summary: fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code. Table of contents […]

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Debian 11 — xmlrpc-epi — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xmlrpc-epi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-6296 Upstream summary: Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2021-9565)

🟠 High   ⏱ 15–60 min  Last verified: 18 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9565 Related CVEs: CVE-2021-3653 CVE-2021-3656 CVE-2021-3744 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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