Linux

Common Problems 118432

Ubuntu 16.04 APT Lock File Prevents Package Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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Debian 10 — dosbox — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — dosbox — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-7165 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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SLES 12 — npm12 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — npm12 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:2824-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-22940 CVE-2022-43548 CVE-2022-32212 CVE-2022-2097 CVE-2020-8172 CVE-2020-8277 CVE-2021-37701 CVE-2021-37712  +12 more Upstream summary: Node.js before 16.6.1, 14.17.5, and 12.22.5 is vulnerable to a use after free […]

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Oracle Linux 8 — Networking Issues — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Networking Issues (OL8-ISSUES-NETWORK)

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug OLRNT-ol8-issues-network 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 114938

RHEL 8 SELinux Denies HTTPD Write Access to Application Path

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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Debian 9 — php7.0 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — php7.0 — multiple vulnerabilities (9 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-2017-11144 CVE-2018-7584 CVE-2018-14851 CVE-2019-11034 CVE-2019-11043 CVE-2019-11045 CVE-2019-11048 CVE-2019-9020  +1 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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Common Problems 113931

RHEL 10 – Chrony not synchronizing system time with NTP sources – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 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 15 — libmozjs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libmozjs — 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-2023:3837-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-5168 CVE-2023-5169 CVE-2023-5171 CVE-2023-5174 CVE-2023-5176 CVE-2023-5732 CVE-2023-5721 CVE-2023-5724  +12 more Upstream summary: A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in […]

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Common Problems 117937

Ubuntu 18.04 APT Lock Contention Blocks Security Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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Debian 13 — virtuoso-opensource — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — virtuoso-opensource — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-31607 CVE-2023-31608 CVE-2023-31609 CVE-2023-31610 CVE-2023-31611 CVE-2023-31612 CVE-2023-31613 CVE-2023-31614  +12 more Upstream summary: An issue in the __libc_malloc component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial […]

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