Linux

SLES 15 — aws-efs-utils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — aws-efs-utils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 April 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:3954-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-35881 CVE-2022-46174 Upstream summary: An issue was discovered in the traitobject crate through 2020-06-01 for Rust. It has false expectations about fat pointers, possibly causing […]

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Oracle Linux 9 — dnsmasq — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — dnsmasq — vulnerability — patch and remediation guide (ELSA-2024-1334)

🟠 High   ⏱ 15–60 min  Last verified: 13 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1334 Related CVEs: CVE-2023-50387 CVE-2023-50868 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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openSUSE Tumbleweed — libconfuse2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libconfuse2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3331-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-40320 CVE-2018-14447 Upstream summary: cfg_tilde_expand in confuse.c in libConfuse 3.3 has a heap-based buffer over-read. Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Register a GitHub Actions Self-Hosted Runner on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Register a GitHub Actions Self-Hosted Runner on RHEL 9

GitHub Actions self-hosted runners allow running GitHub Actions CI/CD workflows on your own infrastructure instead of GitHub’s shared runners. This is essential when workflows need to: access private network resources (internal databases, Docker registries, Kubernetes clusters), use specialised hardware (GPUs, large memory), comply with data residency requirements, or reduce GitHub Actions billing costs for high-volume […]

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How to Install Packer for Machine Image Automation on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Packer for Machine Image Automation on RHEL 7

How to Install Packer for Machine Image Automation on RHEL 7 Packer, developed by HashiCorp, is an open-source tool that enables you to create identical machine images for multiple platforms from a single source configuration. Whether you are building AMIs for AWS, OVA files for VMware, or disk images for on-premises hypervisors, Packer automates the […]

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Gentoo Linux — app-emulation/virtualbox-modules — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-emulation/virtualbox-modules — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202212-03 Related CVEs: CVE-2022-21620 CVE-2022-21621 CVE-2022-21627 CVE-2022-39421 CVE-2022-39422 CVE-2022-39423 CVE-2022-39424 CVE-2022-39425  +12 more Upstream summary: Multiple vulnerabilities have been discovered in Oracle VirtualBox. Please review the CVE identifiers referenced below for details. […]

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Oracle Linux 9 — go-toolset and golang — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — go-toolset and golang — security and stability fixes — required update (ELSA-2023-0328)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0328 Related CVEs: CVE-2022-2880 CVE-2022-41715 CVE-2022-2879 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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Ubuntu 14.04 — screen — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — screen — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 April 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6198-1 Related CVEs: CVE-2023-24626 CVE-2021-26937 CVE-2015-6806 Upstream summary: It was discovered that GNU Screen was not properly checking user identifiers before sending certain signals to target processes. If GNU Screen […]

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Gentoo Linux — dev-lang/perl — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-lang/perl — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202411-09 Related CVEs: CVE-2021-36770 CVE-2023-31486 CVE-2023-47038 CVE-2020-10543 CVE-2020-10878 CVE-2020-12723 Upstream summary: Multiple vulnerabilities have been discovered in Perl. Please review the CVE identifiers referenced below for details. Table of contents Symptom & […]

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Ubuntu 14.04 — zookeeper — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — zookeeper — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 April 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6559-1 Related CVEs: CVE-2019-0201 CVE-2023-44981 CVE-2016-5017 CVE-2017-5637 CVE-2018-8012 Upstream summary: It was discovered that ZooKeeper incorrectly handled authorization for the getACL() command. A remote attacker could possibly use this issue […]

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