Operations

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1578)

  • August 10, 2022
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 10 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1578 Related CVEs: CVE-2020-14314 CVE-2020-12362 CVE-2019-18811 CVE-2020-15437 CVE-2020-25704 CVE-2020-12464 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
Common Problems 114982

RHEL 8 Log Rotation Failure Fills /var and Breaks Services

  • August 10, 2022
  • Linux
  • Comment off

🟠 High   ⏱ 5–30 min  Last verified: 10 August 2022 Affected versions: 8.4 8.5 8.6 8.7 8.8 8.9 8.10 📖 ~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 […]

Read more
AlmaLinux 9 — xz — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — xz — vulnerability — patch and remediation guide

  • August 10, 2022
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:4940 Related CVEs: CVE-2022-1271 Upstream summary: XZ Utils is an integrated collection of user-space file compression utilities based on the Lempel-Ziv-Markov chain algorithm (LZMA), which performs lossless data compression. The algorithm provides […]

Read more
How to Install and Configure Apache HTTP Server on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Install and Configure Apache HTTP Server on IBM AIX 7.3

  • August 10, 2022
  • IBM AIX
  • Comment off

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 install and configure apache http server on IBM AIX […]

Read more
FreeBSD 12 — py39-dparse — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py39-dparse — vulnerability — patch and remediation guide

  • August 10, 2022
  • BSD
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 10 August 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-dparse — REDoS vulnerability Related CVEs: CVE-2022-39280 Upstream summary: yeisonvargasf reports: dparse is a parser for Python dependency files. dparse in versions before 0.5.2 contain a regular expression that is […]

Read more
Common Problems 113504

Windows Server 2016 – HNS fails to create container network after policy changes – Fix & Prevention (FIX-PREVENTION-2)

🟡 Medium   ⏱ 5–30 min  Last verified: 10 August 2022 Affected versions: Windows Server 2016 📖 ~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
Debian 11 — barbican — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — barbican — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • August 10, 2022
  • Linux
  • Comment off

🟡 Medium   ⏱ 10–30 min  Last verified: 10 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-23451 CVE-2022-23452 CVE-2022-3100 Upstream summary: An authorization flaw was found in openstack-barbican. The default policy rules for the secret metadata API allowed any authenticated user to add, modify, […]

Read more
AlmaLinux 8 — autofs — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — autofs — vulnerability — patch and remediation guide

  • August 10, 2022
  • Linux
  • Comment off

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2084 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

Read more
Debian 11 — pngcheck — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pngcheck — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • August 10, 2022
  • Linux
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 10 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-27818 CVE-2020-35511 Upstream summary: A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could […]

Read more
Debian 11 — libbluray — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libbluray — vulnerability — patch and remediation guide

  • August 10, 2022
  • Linux
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 10 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-7810 Upstream summary: libbluray MountManager class has a time-of-check time-of-use (TOCTOU) race when expanding JAR files Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

Read more

Tags

AIX AlmaLinux Alpine Linux authentication authorization Backup Recovery Boot Startup Cloud Integration Common Problems Cpu Memory Database Debian Debian 11 Debian 12 Bookworm Debian 13 Trixie DNS Firewall Fix Prevention FreeBSD FreeBSD 12 FreeBSD 13 FreeBSD 14 FreeBSD 15 Kernel Drivers Logging Monitoring Lvm Raid NetBSD Networking openSUSE Operations Oracle Linux Oracle Linux 8 Oracle Linux 9 Package Management Performance Proxy Security Hardening SLES Storage Disk Systemd Services Tls Ssl Troubleshooting ubuntu VPN windows server
CHAT