chris

Ubuntu 20.04 — elfutils — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — elfutils — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • December 30, 2020
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 30 December 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6322-1 Related CVEs: CVE-2018-16062 CVE-2018-16403 CVE-2018-18310 CVE-2018-18520 CVE-2018-18521 CVE-2019-7149 CVE-2019-7150 CVE-2019-7665  +2 more Upstream summary: It was discovered that elfutils incorrectly handled certain malformed files. If a user or automated […]

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Common Problems 121601

Debian 9 – Severe Clock Drift Breaks TLS and Kerberos – Chrony Stabilization

  • December 30, 2020
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 30 December 2020 Affected versions: Debian 9 📖 ~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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Common Problems 117579

Ubuntu 20.04 GRUB menu missing after update

  • December 30, 2020
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 30 December 2020 📖 ~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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Ubuntu 16.04 — drupal7 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — drupal7 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • December 30, 2020
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 30 December 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7658-1 Related CVEs: CVE-2020-11023 CVE-2020-11022 CVE-2020-13671 CVE-2020-28948 CVE-2020-28949 CVE-2015-2559 CVE-2015-2749 CVE-2015-2750  +2 more Upstream summary: It was discovered that Drupal incorrectly parsed untrusted HTML. A remote attacker could possibly use […]

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Common Problems 115607

yum Hangs Behind Proxy Due to SSL Inspection

🟡 Medium   ⏱ 5–30 min  Last verified: 30 December 2020 📖 ~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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How to Set Up Spinnaker on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up Spinnaker on SLES 12

Introduction This tutorial covers How to Set Up Spinnaker on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

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Common Problems 115545

RHEL 7 Docker service Fails Due To Storage Driver Mismatch

  • December 30, 2020
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 30 December 2020 Affected versions: RHEL 7 📖 ~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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Common Problems 114945

Podman Container Fails to Start After Host Update

🟡 Medium   ⏱ 5–30 min  Last verified: 30 December 2020 📖 ~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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Common Problems 114910

DNF lock contention from concurrent package processes

🟡 Medium   ⏱ 5–30 min  Last verified: 30 December 2020 📖 ~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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SLES 12 — p11-kit — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — p11-kit — vulnerability — patch and remediation guide

  • December 30, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 December 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:1513-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-29362 Upstream summary: An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by […]

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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
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