Package Management

SLES 15 — libctf0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libctf0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • April 17, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 17 April 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:3179-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-44840 CVE-2022-47673 CVE-2022-47695 CVE-2022-47696 CVE-2020-19726 CVE-2022-45703 CVE-2021-20294 CVE-2022-35205  +12 more Upstream summary: Heap buffer overflow vulnerability in binutils readelf before 2.40 via function find_section_in_set in […]

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Windows Server 2019 — KB5027231 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5027231 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5027231 • MSRC update-guide entry Related CVEs: CVE-2023-29363 CVE-2023-32014 CVE-2023-32015 CVE-2023-32013 CVE-2023-24937 CVE-2023-24938 CVE-2023-29346 CVE-2023-29351  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — grafana — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grafana — vulnerability — patch and remediation guide (ELSA-2023-5863)

  • April 17, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 17 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5863 Related CVEs: CVE-2023-44487 CVE-2023-39325 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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Oracle Linux 8 — olcne istio istio — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — olcne istio istio — vulnerability — patch and remediation guide (ELSA-2022-9362)

  • April 17, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 17 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9362 Related CVEs: CVE-2022-24921 CVE-2022-24726 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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Gentoo Linux — app-crypt/gnupg — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-crypt/gnupg — vulnerability — patch and remediation guide

  • April 17, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202512-01 Related CVEs: CVE-2022-34903 Upstream summary: A vulnerability has been discovered in GnuPG's armor parser. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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

Oracle Linux 9 — wireshark — security and stability fixes — required update (ELSA-2023-2373)

  • April 16, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 16 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2373 Related CVEs: CVE-2022-3190 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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Amazon Linux 2023 — kernel-livepatch-6.1.12-19.43 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.12-19.43 — vulnerability — patch and remediation guide

  • April 16, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2023-001 Related CVEs: CVE-2023-26545 Upstream summary: In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a […]

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Debian 11 — libjettison-java — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libjettison-java — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • April 16, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 16 April 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-40149 CVE-2022-40150 CVE-2022-45685 CVE-2022-45693 CVE-2023-1436 CVE-2023-5072 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 AlertManager on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure AlertManager on Oracle Linux 9

Introduction Setting up configure alertmanager on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure AlertManager on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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CentOS Stream 9 — ignition — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — ignition — vulnerability — patch and remediation guide

  • April 16, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 16 April 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2022:8126 Related CVEs: CVE-2022-1706 Upstream summary: Ignition is a utility used to manipulate systems during the initramfs. This includes partitioning disks, formatting partitions, writing files (regular files, systemd units, etc.), and […]

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