Package Management

Amazon Linux 2 — kernel-livepatch-5.10.144-127.601 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.144-127.601 — multiple vulnerabilities (5 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-2023-104 Related CVEs: CVE-2022-3524 CVE-2022-3594 CVE-2022-3621 CVE-2022-3623 CVE-2022-3649 Upstream summary: A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function […]

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SLES 15 — espeak-ng — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — espeak-ng — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 April 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:2632-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-49990 CVE-2023-49991 CVE-2023-49992 CVE-2023-49993 CVE-2023-49994 Upstream summary: Espeak-ng 1.52-dev was discovered to contain a buffer-overflow via the function SetUpPhonemeTable at synthdata.c. Table of contents Symptom […]

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SLES 12 — libsasl2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libsasl2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 April 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:1151-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-24407 CVE-2019-19906 CVE-2009-0688 Upstream summary: In Cyrus SASL 2.1.17 through 2.1.27 before 2.1.28, plugins/sql.c does not escape the password for a SQL INSERT or UPDATE […]

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Gentoo Linux — net-vpn/strongswan — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-vpn/strongswan — multiple vulnerabilities (5 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-202507-04 Related CVEs: CVE-2023-41913 CVE-2021-41991 CVE-2021-45079 CVE-2022-40617 CVE-2023-26463 Upstream summary: Multiple vulnerabilities have been discovered in strongSwan. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

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

Oracle Linux 9 — logrotate — vulnerability — patch and remediation guide (ELSA-2022-8393)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8393 Related CVEs: CVE-2022-1348 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 8 — go-toolset:ol8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — go-toolset:ol8 — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 5 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3922 Related CVEs: CVE-2023-29402 CVE-2023-29404 CVE-2023-29405 CVE-2023-29403 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 OpenSSL to Generate, Sign and Manage SSL Certificates on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Use OpenSSL to Generate, Sign and Manage SSL Certificates on RHEL 7

How to Use OpenSSL to Generate, Sign and Manage SSL Certificates on RHEL 7 OpenSSL is the standard open-source toolkit for implementing the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, and it is used on almost every Linux server in production. On Red Hat Enterprise Linux 7, OpenSSL is installed by default […]

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How to Configure Podman Compose on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Podman Compose on RHEL 9

Podman Compose (podman-compose) is a Python implementation of the Docker Compose specification that uses Podman instead of Docker. It allows running existing docker-compose.yml / compose.yaml files with Podman’s rootless, daemon-less container engine. For teams migrating from Docker to Podman, podman-compose provides a familiar workflow with minimal configuration changes. Alternatively, Podman 4.0+ includes a native podman […]

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AlmaLinux 9 — python-lxml — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — python-lxml — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:8226 Related CVEs: CVE-2022-2309 Upstream summary: lxml is an XML processing library providing access to libxml2 and libxslt libraries using the Python ElementTree API. Security Fix(es): * lxml: NULL Pointer Dereference in […]

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Oracle Linux 9 — jackson-annotations, jackson-core, jackson-databind, jackson-jaxrs-providers, and jackson-modules-base — vulnerability — patch and remedia… — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — jackson-annotations, jackson-core, jackson-databind, jackson-jaxrs-providers, and jackson-modules-base — vulnerability — p… (ELSA-2025-12280)

🟠 High   ⏱ 15–60 min  Last verified: 4 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-12280 Related CVEs: CVE-2025-52999 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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