Linux

How to Install Packer for Machine Image Automation on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Packer for Machine Image Automation on RHEL 9

HashiCorp Packer is an open-source tool for creating identical machine images for multiple platforms from a single configuration source. Rather than manually configuring servers after deployment, Packer bakes your configuration — packages, users, services, certificates — directly into the image at build time, embodying the immutable infrastructure pattern. The resulting AMIs, OVA files, or container […]

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AlmaLinux 8 — perl-Pod-Simple — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Pod-Simple — 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-2026:8096 Related CVEs: CVE-2025-40909 CVE-2023-47038 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have a […]

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Ubuntu 22.04 — sqlparse — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — sqlparse — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 May 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6771-1 Related CVEs: CVE-2024-4340 CVE-2023-30608 Upstream summary: It was discovered that SQL parse incorrectly handled certain nested lists. An attacker could possibly use this issue to cause a denial of […]

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Ubuntu 24.04 — linux-intel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — linux-intel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 May 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6893-1 Related CVEs: CVE-2023-52699 CVE-2024-24857 CVE-2024-24858 CVE-2024-24859 CVE-2024-26811 CVE-2024-26817 CVE-2024-26921 CVE-2024-26922  +12 more Upstream summary: It was discovered that a race condition existed in the Bluetooth subsystem in the Linux […]

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AlmaLinux 8 — dotnet7.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — dotnet7.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:3340 Related CVEs: CVE-2024-30045 CVE-2024-30046 CVE-2024-21386 CVE-2024-21404 CVE-2024-0056 CVE-2024-0057 CVE-2024-21319 CVE-2023-44487  +12 more Upstream summary: .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new […]

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Ubuntu 20.04 — sudo — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — sudo — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 May 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7604-2 Related CVEs: CVE-2025-32462 CVE-2023-28486 CVE-2023-28487 CVE-2022-33070 CVE-2023-22809 CVE-2021-23239 CVE-2021-3156 Upstream summary: USN-7604-1 fixed CVE-2025-32462 in sudo. This update provides the corresponding fixes for Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, […]

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openSUSE Tumbleweed — stgit — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — stgit — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:14353-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-45405 Upstream summary: `gix-path` is a crate of the `gitoxide` project (an implementation of `git` written in Rust) dealing paths and their conversions. Prior to […]

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CentOS Stream 9 — python-idna — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — python-idna — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 May 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:3846 Related CVEs: CVE-2024-3651 Upstream summary: The hsakmt packages include a thunk library for AMD's Heterogeneous System Architecture (HSA) Linux kernel driver (amdkfd). Security Fix(es): * python-idna: potential DoS via resource […]

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openSUSE Tumbleweed — python311-marshmallow — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python311-marshmallow — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0226-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-68480 Upstream summary: Marshmallow is a lightweight library for converting complex objects to and from simple Python datatypes. In versions from 3.0.0rc1 to before 3.26.2 […]

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

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2026-2722)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 May 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-2722 Related CVEs: CVE-2023-53034 CVE-2025-40064 CVE-2025-40304 CVE-2025-40322 CVE-2025-68349 CVE-2025-68811 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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