Security Hardening

SLES 16 — libplist — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libplist — multiple vulnerabilities (12 CVEs) — patch and remediation guide

  • June 29, 2026
  • Linux
  • Comment off

🟡 Medium   ⏱ 10–30 min  Last verified: 29 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:1368-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-5209 CVE-2017-5834 CVE-2017-6435 CVE-2017-6437 CVE-2017-6438 CVE-2017-6439 CVE-2017-6440 CVE-2017-7982  +4 more Upstream summary: The base64decode function in base64.c in libimobiledevice libplist through 1.12 allows attackers to […]

Read more
Alpine Linux edge — perl — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — perl — multiple vulnerabilities (17 CVEs) — patch and remediation guide

  • June 29, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 5.42.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — perl 5.42.2-r0 Related CVEs: CVE-2026-4176 CVE-2024-56406 CVE-2023-47038 CVE-2021-36770 CVE-2020-10543 CVE-2020-10878 CVE-2020-12723 CVE-2018-18311  +9 more Upstream summary: Alpine main repository for vedge ships perl 5.42.2-r0 which […]

Read more
Oracle Linux 8 — gnome-remote-desktop — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gnome-remote-desktop — vulnerability — patch and remediation guide (ELSA-2025-10742)

  • June 29, 2026
  • Linux
  • Comment off

🟡 Medium   ⏱ 10–30 min  Last verified: 29 June 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-10742 Related CVEs: CVE-2025-5024 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
Oracle Linux 8 — openssh — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — openssh — vulnerability — patch and remediation guide (ELSA-2026-13383)

  • June 29, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 June 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-13383 Related CVEs: CVE-2026-35385 CVE-2026-35386 CVE-2026-35387 CVE-2026-35388 CVE-2026-35414 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

Read more
AlmaLinux 8 — xerces-j2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — xerces-j2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 29, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:14126 Related CVEs: CVE-2025-52999 CVE-2019-10086 CVE-2025-48734 CVE-2019-12384 CVE-2018-11784 CVE-2018-8014 CVE-2018-8034 CVE-2018-8037  +12 more Upstream summary: The Public Key Infrastructure (PKI) Core contains fundamental packages required by AlmaLinux Certificate System. Security Fix(es): * […]

Read more
Common Problems 116117

Ubuntu 26.04 LTS – chrony service not syncing after VM resume – Fix & Prevention

  • June 29, 2026
  • Linux
  • Comment off

🟡 Medium   ⏱ 5–30 min  Last verified: 29 June 2026 Affected versions: Ubuntu 26.04 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 […]

Read more
Oracle Linux 10 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — thunderbird — vulnerability — patch and remediation guide (ELSA-2026-12285)

  • June 29, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 June 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-12285 Related CVEs: CVE-2026-6746 CVE-2026-6747 CVE-2026-6748 CVE-2026-6749 CVE-2026-6750 CVE-2026-6751 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
CentOS Stream 9 — sudo — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — sudo — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • June 29, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 June 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:12310 Related CVEs: CVE-2026-35535 CVE-2025-32462 CVE-2023-22809 CVE-2023-28486 CVE-2023-28487 CVE-2023-42465 Upstream summary: The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute […]

Read more
Oracle Linux 8 — grafana-pcp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grafana-pcp — vulnerability — patch and remediation guide (ELSA-2026-7009)

  • June 29, 2026
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 29 June 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-7009 Related CVEs: CVE-2026-25679 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

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