Package Management

openSUSE Tumbleweed — libdlt2 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libdlt2 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-26257 Upstream summary: An issue was discovered in the Connected Vehicle Systems Alliance (COVESA; formerly GENIVI) dlt-daemon through 2.18.8. Dynamic memory is not released after […]

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Oracle Linux 9 — java-11-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-11-openjdk — vulnerability — patch and remediation guide (ELSA-2022-1728)

🟠 High   ⏱ 15–60 min  Last verified: 28 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1728 Related CVEs: CVE-2022-21434 CVE-2022-21496 CVE-2022-21476 CVE-2022-21426 CVE-2022-21443 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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

Oracle Linux 9 — firefox — vulnerability — patch and remediation guide (ELSA-2023-5434)

🟠 High   ⏱ 15–60 min  Last verified: 28 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5434 Related CVEs: CVE-2023-5169 CVE-2023-5176 CVE-2023-3600 CVE-2023-5217 CVE-2023-5171 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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CentOS Stream 9 — nss — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — nss — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 March 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:1368 Related CVEs: CVE-2023-0767 CVE-2023-6135 CVE-2023-5388 Upstream summary: Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications. Security Fix(es): […]

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SLES 15 — libldap — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libldap — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 28 March 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:1018-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-29155 CVE-2015-6908 CVE-2020-12243 CVE-2020-25692 CVE-2020-36221 CVE-2020-36222 CVE-2020-36223 CVE-2020-36224  +12 more Upstream summary: In OpenLDAP 2.x before 2.5.12 and 2.6.x before 2.6.2, a SQL injection vulnerability […]

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Amazon Linux 2 — kernel-livepatch-4.14.355-280.672 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.355-280.672 — vulnerability — 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-2025-276 Related CVEs: CVE-2023-53530 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Use raw_smp_processor_id() instead of smp_processor_id() (CVE-2023-53530) Table of contents Symptom & Impact […]

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How to Install and Use Skopeo for Container Image Management on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Use Skopeo for Container Image Management on RHEL 7

How to Install and Use Skopeo for Container Image Management on RHEL 7 Skopeo is a command-line utility for performing operations on container images and image registries without requiring a running Docker daemon. It is part of the Open Container Initiative (OCI) ecosystem championed by Red Hat and is included in the standard RHEL extras […]

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Oracle Linux 9 — podman — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — podman — security and stability fixes — required update (ELSA-2022-7954)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7954 Related CVEs: CVE-2020-28851 CVE-2021-20291 CVE-2020-28852 CVE-2021-4024 CVE-2021-33197 CVE-2021-34558 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Configure OpenSCAP Security Compliance on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure OpenSCAP Security Compliance on Oracle Linux 9

Introduction How to Configure OpenSCAP Security Compliance on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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IBM AIX 7.3 — CVE-1999-0337 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-0337 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 27 March 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-0337, IBM PSIRT advisory page CVE: CVE-1999-0337 NVD summary: AIX batch queue (bsh) allows local and remote users to gain additional privileges when network printing is enabled. References: exchange.xforce.ibmcloud.com/vulnerabilities/CVE   exchange.xforce.ibmcloud.com/vulnerabilities/CVE Table […]

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