SLES 12 — gdb — multiple vulnerabilities (4 CVEs) — patch and remediation guide

November 1, 2022
Linux
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🟡 Medium ⏱ 10–30 min Last verified: 1 November 2022 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2023:3179-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-48064 CVE-2019-1010180 CVE-2017-16829 CVE-2018-7208 Upstream summary: GNU Binutils before 2.40 was discovered to contain an excessive memory consumption vulnerability via the function bfd_dwarf2_find_nearest_line_with_alt at dwarf2.c. […]

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

Oracle Linux 8 — olcne — vulnerability — patch and remediation guide (ELSA-2022-9494)

November 1, 2022
Linux
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🟠 High ⏱ 15–60 min Last verified: 1 November 2022 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-9494 Related CVEs: CVE-2021-3748 CVE-2022-26353 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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-2023-6659)

November 1, 2022
Linux
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🟡 Medium ⏱ 10–30 min Last verified: 1 November 2022 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2023-6659 Related CVEs: CVE-2007-4559 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

How to Configure Docker Daemon TLS Encryption on RHEL 8

November 1, 2022
Linux
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By default, the Docker daemon socket at /var/run/docker.sock is accessible only on the local host, but when you need to manage containers remotely — from a CI system, a monitoring server, or a developer workstation — you must expose the Docker API over TCP. Without TLS, any client with network access can control your Docker […]

Ubuntu 18.04 LTS – systemd service fails with status=203/EXEC – Fix & Prevention

October 31, 2022
Linux
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🟠 High ⏱ 5–30 min Last verified: 31 October 2022 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 […]

Ubuntu 18.04 Broken Packages After Interrupted dist-upgrade

October 31, 2022
Linux
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🟡 Medium ⏱ 5–30 min Last verified: 31 October 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 & Cross-Refs References & Further […]

Ubuntu 22.04 LTS – Swap disabled causing OOM kills under load – Fix & Prevention

October 31, 2022
Linux
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🟠 High ⏱ 5–30 min Last verified: 31 October 2022 Affected versions: Ubuntu 22.04 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 […]

Debian 11 — flexbackup — vulnerability — patch and remediation guide

October 31, 2022
Linux
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🟢 Low ⏱ 5–15 min Last verified: 31 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2005-4802 Upstream summary: Flexbackup 1.2.1 and earlier allows local users to overwrite files and execute code via a symlink attack on temporary files. NOTE: the raw source referenced […]

How to Configure netstat and netpmon on IBM AIX 7.3

October 31, 2022
IBM AIX
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Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure netstat and netpmon on IBM AIX 7.3 with […]

Windows Server 2012 R2 — Print Spooler service stuck in stopping state — Fix & Prevention

October 31, 2022
Tutorials
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🟠 High ⏱ 5–30 min Last verified: 31 October 2022 Affected versions: Windows Server 2012 R2 📖 ~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 […]

Logging Monitoring

SLES 12 — gdb — multiple vulnerabilities (4 CVEs) — patch and remediation guide

Oracle Linux 8 — olcne — vulnerability — patch and remediation guide (ELSA-2022-9494)

Oracle Linux 9 — python3.9 — vulnerability — patch and remediation guide (ELSA-2023-6659)

How to Configure Docker Daemon TLS Encryption on RHEL 8

Ubuntu 18.04 LTS – systemd service fails with status=203/EXEC – Fix & Prevention

Ubuntu 18.04 Broken Packages After Interrupted dist-upgrade

Ubuntu 22.04 LTS – Swap disabled causing OOM kills under load – Fix & Prevention

Debian 11 — flexbackup — vulnerability — patch and remediation guide

How to Configure netstat and netpmon on IBM AIX 7.3

Windows Server 2012 R2 — Print Spooler service stuck in stopping state — Fix & Prevention

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