Linux

SLES 15 — uwac0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — uwac0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:2352-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-24882 CVE-2026-26955 CVE-2026-31806 CVE-2026-31883 CVE-2026-31885 CVE-2026-26965 CVE-2026-24683 CVE-2026-24491  +12 more Upstream summary: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP). In versions […]

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CentOS Stream 9 — munge — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — munge — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:3034 Related CVEs: CVE-2026-25506 Upstream summary: MUNGE (MUNGE Uid 'N' Gid Emporium) is an authentication service for creating and validating credentials. It is designed to be highly scalable for use in […]

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Common Problems 116941

Ubuntu 22.04 LTS – DNS resolution fails with systemd-resolved stub issues – Fix & Prevention (FIX-PREVENTION-2)

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 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 […]

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Common Problems 124009

Oracle Linux 10 – systemd service enters failed state after boot due to unit ordering – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Oracle Linux 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 & Hardening Related Errors […]

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SLES 16 — librelp0 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — librelp0 — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:0822-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1000140 Upstream summary: rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that can […]

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Debian 9 — exim4 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — exim4 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000369 CVE-2017-16943 CVE-2018-6789 CVE-2019-10149 CVE-2019-13917 CVE-2019-15846 CVE-2020-12783 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

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Debian 10 — qemu — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — qemu — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-12068 CVE-2019-13164 CVE-2019-15890 CVE-2020-10756 CVE-2020-12829 CVE-2020-8608 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 116434

Ubuntu 24.04 LTS – netplan apply breaks network connectivity – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 24.04 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 […]

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Common Problems 119996

Debian 12 systemd Service Hits Start-Limit-Hit Loop

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 12 📖 ~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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SLES 15 — samba — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — samba — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0019-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-44640 CVE-2009-1886 CVE-2020-17049 CVE-2010-3069 CVE-2012-0870 CVE-2012-1182 CVE-2013-4408 CVE-2015-8467  +12 more Upstream summary: Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an […]

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