Common Problems

Common Problems 118461

Ubuntu 16.04 LTS – /boot partition full blocks kernel upgrades – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 16.04 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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SLES 12 — libssh4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libssh4 — 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-2018:3162-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-10933 CVE-2025-5372 CVE-2019-14889 CVE-2026-0964 CVE-2026-0966 CVE-2025-8114 CVE-2025-4877 CVE-2025-4878  +12 more Upstream summary: A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and […]

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Common Problems 118991

Ubuntu 14.04 LTS root filesystem full from runaway logs

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 14.04 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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CentOS Stream 10 — ipa — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — ipa — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:20994 Related CVEs: CVE-2025-7493 CVE-2025-4404 Upstream summary: AlmaLinux Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and cloud-based enterprise environments. Security Fix(es): * FreeIPA: […]

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Debian 13 — wpa — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — wpa — 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-2012-4445 CVE-2014-3686 CVE-2015-1863 CVE-2015-4141 CVE-2015-4142 CVE-2015-4143 CVE-2015-4144 CVE-2015-4145  +12 more Upstream summary: Heap-based buffer overflow in the eap_server_tls_process_fragment function in eap_server_tls_common.c in the EAP authentication server in hostapd […]

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CentOS Stream 9 — libsoup — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — libsoup — multiple vulnerabilities (20 CVEs) — 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-2026:2216 Related CVEs: CVE-2026-0719 CVE-2026-1761 CVE-2025-14523 CVE-2025-11021 CVE-2025-4945 CVE-2025-2784 CVE-2025-32049 CVE-2025-32914  +12 more Upstream summary: The libsoup packages provide an HTTP client and server library for GNOME. Security Fix(es): * libsoup: […]

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Common Problems 120026

Debian 12 DNS Resolution Flaps with systemd-resolved

🟡 Medium   ⏱ 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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Debian 11 — vim — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — vim — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1377 CVE-2004-1138 CVE-2005-0069 CVE-2005-2368 CVE-2007-2438 CVE-2007-2953 CVE-2008-2712 CVE-2008-3074  +12 more Upstream summary: vim 6.0 and 6.1, and possibly other versions, allows attackers to execute arbitrary commands using the […]

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