Operations

Amazon Linux 2023 — kernel-livepatch-6.1.34-56.100 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.34-56.100 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2023-014 Related CVEs: CVE-2023-3609 CVE-2023-3776 Upstream summary: A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation. If tcf_change_indev() fails, u32_set_parms() will […]

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How to Set Up Buildkite Agent on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up Buildkite Agent on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying set up buildkite agent on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Buildkite Agent on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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FreeBSD 13 — py37-spotipy — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py37-spotipy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 May 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Spotipy — Path traversal vulnerability Related CVEs: CVE-2023-23608 Upstream summary: Stéphane Bruckert If a malicious URI is passed to the library, the library can be tricked into performing an operation […]

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Common Problems 117560

Ubuntu 20.04 LTS TLS Certificate Chain Validation Error

🟡 Medium   ⏱ 5–30 min  Last verified: 4 May 2023 📖 ~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 & Cross-Refs References & Further […]

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Debian 11 — grpc — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — grpc — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 May 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-7860 CVE-2017-7861 CVE-2017-8359 CVE-2017-9431 CVE-2023-32732 CVE-2023-33953 CVE-2023-44487 CVE-2023-4785  +1 more Upstream summary: Google gRPC before 2017-02-22 has an out-of-bounds write caused by a heap-based buffer overflow related to […]

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Common Problems 111821

Windows Server 2022 — SQL Server log backup chain broken after full backup to different location — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 4 May 2023 Affected versions: Windows Server 2022 📖 ~2 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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How to Install Docker Engine on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Docker Engine on RHEL 9

Docker Engine is the industry-standard container platform that packages applications and their dependencies into portable, isolated containers. A Docker container bundles the application code, runtime, libraries, and configuration into a single image that runs identically on any Linux host with Docker installed, eliminating the “it works on my machine” problem. RHEL 9 does not include […]

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Alpine Linux edge — unicorn — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — unicorn — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.0.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — unicorn 2.0.1-r0 Related CVEs: CVE-2022-29693 CVE-2022-29694 CVE-2022-29695 Upstream summary: Alpine community repository for vedge ships unicorn 2.0.1-r0 which addresses CVE-2022-29693. Table of contents Symptom & […]

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Ubuntu 20.04 — cryptojs — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — cryptojs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 May 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6753-1 Related CVEs: CVE-2023-46233 Upstream summary: Thomas Neil James Shadwell discovered that CryptoJS was using an insecure cryptographic default configuration. A remote attacker could possibly use this issue to expose […]

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Ubuntu 14.04 — monit — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — monit — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 May 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6571-1 Related CVEs: CVE-2022-26563 CVE-2019-11454 CVE-2019-11455 Upstream summary: Youssef Rebahi-Gilbert discovered that Monit did not properly process credentials for disabled accounts. An attacker could possibly use this issue to login […]

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CHAT