August 2023 - Page 32 of 76

Alpine Linux 3.18 — chrony — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — chrony — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 3.5.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — chrony 3.5.1-r0 Related CVEs: CVE-2020-14367 Upstream summary: Alpine main repository for vv3.18 ships chrony 3.5.1-r0 which addresses CVE-2020-14367. Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — python3.9 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python3.9 — vulnerability — patch and remediation guide (ELSA-2024-0466)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0466 Related CVEs: CVE-2023-27043 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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Alpine Linux 3.18 — sox — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — sox — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 14.4.2-r5 📖 ~4 min read  •  Source: Alpine secdb entry — sox 14.4.2-r5 Related CVEs: CVE-2017-13571 CVE-2017-11358 CVE-2017-15370 CVE-2017-11332 CVE-2017-11359 CVE-2017-15372 CVE-2017-13642 CVE-2017-18189  +10 more Upstream summary: Alpine community repository for vv3.18 ships sox 14.4.2-r5 which […]

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Common Problems 111727

Windows Server 2022 — Clients receive APIPA because rogue DHCP server responds first — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 August 2023 Affected versions: Windows Server 2022 📖 ~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 […]

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openSUSE Leap 15.5 — libgrpc37 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — libgrpc37 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:0573-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-33953 CVE-2023-4785 CVE-2023-32732 Upstream summary: gRPC contains a vulnerability that allows hpack table accounting errors could lead to unwanted disconnects between clients and servers […]

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openSUSE Leap 15.5 — libuev3 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — libuev3 — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:0023-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-48620 Upstream summary: uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number. Table of contents Symptom […]

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How to Install and Configure Tomcat 10 on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install and Configure Tomcat 10 on Debian 12

Introduction This guide explains how to Install and Configure Tomcat 10 on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with […]

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How to Configure Mandatory Access Control with SELinux Policies on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Mandatory Access Control with SELinux Policies on RHEL 9

SELinux (Security-Enhanced Linux) enforces Mandatory Access Control (MAC) on RHEL 9, confining processes to only the resources they are explicitly permitted to access regardless of traditional Unix file permissions. While RHEL ships with comprehensive base policies, custom applications often generate AVC (Access Vector Cache) denials because their access patterns are not covered by existing policy […]

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AlmaLinux 9 — dmidecode — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — dmidecode — 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-2023:5061 Related CVEs: CVE-2023-30630 Upstream summary: The dmidecode packages provide utilities for extracting Intel 64 and Intel Itanium hardware information from the system BIOS or Extensible Firmware Interface (EFI), depending on the […]

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Oracle Linux 9 — java-17-openjdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-17-openjdk — security and stability fixes — required update (ELSA-2024-0267)

🟠 High   ⏱ 15–60 min  Last verified: 18 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0267 Related CVEs: CVE-2024-20932 CVE-2024-20952 CVE-2024-20945 CVE-2024-20918 CVE-2024-20921 CVE-2024-20919 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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