2023 - Page 781 of 885

Ubuntu 20.04 — linux-aws-5.13 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-aws-5.13 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 February 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5485-1 Related CVEs: CVE-2022-21123 CVE-2022-21125 CVE-2022-21166 CVE-2022-1158 CVE-2022-1966 CVE-2022-1972 CVE-2022-21499 CVE-2022-24958  +12 more Upstream summary: It was discovered that some Intel processors did not completely perform cleanup actions on multi-core […]

Read more
How to Set Up Kubernetes Ingress with Nginx Ingress Controller on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up Kubernetes Ingress with Nginx Ingress Controller on RHEL 8

Kubernetes Ingress resources give you a single entry point for routing external HTTP and HTTPS traffic to services inside your cluster. On RHEL 8, the Nginx Ingress Controller is a popular choice because it integrates cleanly with bare-metal deployments and supports TLS termination, name-based virtual hosting, and path-based routing out of the box. This tutorial […]

Read more
Oracle Linux 9 — buildah — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — buildah — security and stability fixes — required update (ELSA-2022-8008)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8008 Related CVEs: CVE-2022-2990 CVE-2022-27191 CVE-2021-33195 CVE-2021-33197 CVE-2021-20291 CVE-2021-33198 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
How to Configure Concourse CI on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Concourse CI on SLES 12

Introduction This tutorial covers How to Configure Concourse CI on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

Read more
openSUSE Tumbleweed — python38-ujson — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-ujson — multiple vulnerabilities (3 CVEs) — 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-2025:15107-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-31116 CVE-2022-31117 CVE-2021-45958 Upstream summary: UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Affected versions were […]

Read more
Common Problems 117928

Ubuntu 18.04 LTS – DNS resolution fails with systemd-resolved stub issues – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 February 2023 Affected versions: Ubuntu 18.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

Read more
Windows Server 2022 — KB5027277 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5027277 — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5027277 • MSRC update-guide entry Related CVEs: CVE-2023-29363 CVE-2023-32014 CVE-2023-32015 CVE-2023-29346 CVE-2023-29351 CVE-2023-29358 CVE-2023-29359 CVE-2023-29368  +7 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
Debian 11 — lightdm — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lightdm — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-3153 CVE-2011-3349 CVE-2011-4105 CVE-2012-1111 CVE-2013-4331 CVE-2015-8316 Upstream summary: dmrc.c in Light Display Manager (aka LightDM) before 1.1.1 allows local users to read arbitrary files via a symlink attack […]

Read more
CHAT