Common Problems

SLES 12 — libtirpc3 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libtirpc3 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 May 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:2025-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-46828 Upstream summary: In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are […]

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AlmaLinux 8 — spacewalk-oscap — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — spacewalk-oscap — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3355 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 […]

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Oracle Linux 8 — /var/run/rhnsd.pid file not readable after starting Spacewalk daemon — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — /var/run/rhnsd.pid file not readable after starting Spacewalk daemon

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 29531930 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 […]

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Common Problems 117925

Ubuntu 18.04 LTS – DNS resolution fails after netplan or resolv.conf changes

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2021 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

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AlmaLinux 8 — mcstrans — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — mcstrans — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:1839 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 […]

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Common Problems 113001

Windows Server 2016 — Monthly LCU Reappears as Needed After Successful Install — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2021 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 […]

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AlmaLinux 8 — libgit2 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libgit2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:4773 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 […]

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FreeBSD 13 — libtool — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libtool — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libtool — Library Search Path Privilege Escalation Issue Related CVEs: CVE-2009-3736 Upstream summary: Secunia.com Do not attempt to load an unqualified module.la file from the current directory (by default) since […]

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