August 2023 - Page 3 of 75

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

Oracle Linux 8 — libreswan — vulnerability — patch and remediation guide (ELSA-2023-2122)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2122 Related CVEs: CVE-2023-30570 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
IBM AIX 7.2 — CVE-2023-40363 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2023-40363 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2023-40363, IBM Support Bulletin CVE: CVE-2023-40363 NVD summary: IBM InfoSphere Information Server 11.7 could allow an authenticated user to change installation files due to incorrect file permission settings. IBM X-Force ID: 263332. […]

Read more
Common Problems 111872

Windows Server 2022 — Group Policy security filtering excludes intended admin groups — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 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 […]

Read more
How to Manage Users and Groups on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Manage Users and Groups on Debian 12

Introduction Deploying manage users and groups on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you […]

Read more
AlmaLinux 9 — sysstat — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — sysstat — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:6569 Related CVEs: CVE-2023-33204 CVE-2022-39377 Upstream summary: The sysstat packages provide the sar and iostat commands. These commands enable system monitoring of disk, network, and other I/O activity. Security Fix(es): * sysstat: […]

Read more
Windows Server 2022 — KB5022858 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5022858 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5022858 • MSRC update-guide entry Related CVEs: CVE-2023-21808 CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798  +12 more Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 Windows Server 2022 […]

Read more
NetBSD 9.4 — php71-gd — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — php71-gd — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2016-7568 CVE-2018-5711 CVE-2019-6977 CVE-2017-7890 CVE-2019-11038 Upstream summary: pkgsrc audit-packages flagged php71-gd<7.1.0beta1nb1 for vulnerability class 'heap-overflow'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-7568 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

Read more
NetBSD 9.4 — flac — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — flac — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-6888 CVE-2020-22219 Upstream summary: pkgsrc audit-packages flagged flac<1.2.1 for vulnerability class 'arbitrary-code-execution'. Reference: http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=608 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

Read more
NetBSD 9.4 — coccinelle — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — coccinelle — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged coccinelle<0.1.9 for vulnerability class 'privilege-escalation'. Reference: http://secunia.com/advisories/35012/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

Read more
Alpine Linux 3.18 — libpcap — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — libpcap — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.9.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libpcap 1.9.1-r0 Related CVEs: CVE-2018-16301 CVE-2019-15161 CVE-2019-15162 CVE-2019-15163 CVE-2019-15164 CVE-2019-15165 Upstream summary: Alpine main repository for vv3.18 ships libpcap 1.9.1-r0 which addresses CVE-2018-16301. Table of […]

Read more
CHAT