Troubleshooting

Ubuntu 22.04 — linux-hwe-6.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-hwe-6.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8254-1 Related CVEs: CVE-2026-23112 CVE-2026-23231 CVE-2026-23273 CVE-2024-36347 CVE-2024-57795 CVE-2025-22022 CVE-2025-22111 CVE-2025-38022  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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Windows Server 2022 — KB5082404 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5082404 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5082404 • MSRC update-guide entry Related CVEs: CVE-2026-23666 CVE-2026-32226 Affected components: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: Improper input validation in […]

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Common Problems 116084

Ubuntu 26.04 LTS – SSH public key authentication fails due to permission errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 11 May 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 […]

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Ubuntu 20.04 — restrictedpython — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — restrictedpython — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7355-1 Related CVEs: CVE-2023-37271 CVE-2023-41039 CVE-2024-47532 CVE-2025-22153 Upstream summary: Nakul Choudhary and Robert Xiao discovered that RestrictedPython did not properly sanitize certain inputs. An attacker could possibly use this issue […]

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Alpine Linux 3.20 — openvpn — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — openvpn — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.6.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — openvpn 2.6.7-r0 Related CVEs: CVE-2023-46849 CVE-2023-46850 CVE-2026-35058 CVE-2026-40215 CVE-2025-2704 CVE-2025-13086 CVE-2024-5594 CVE-2024-28882  +8 more Upstream summary: Alpine main repository for vv3.20 ships openvpn 2.6.7-r0 which […]

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Ubuntu 20.04 — postgresql-12 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — postgresql-12 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7520-1 Related CVEs: CVE-2025-4207 CVE-2025-1094 CVE-2024-10976 CVE-2024-10977 CVE-2024-10978 CVE-2024-10979 CVE-2024-7348 CVE-2024-0985  +12 more Upstream summary: It was discovered that PostgreSQL incorrectly handled the GB18030 encoding. An attacker could possibly use […]

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Ubuntu 20.04 — angular.js — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — angular.js — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7958-1 Related CVEs: CVE-2024-8372 CVE-2019-14863 CVE-2025-0716 CVE-2023-26117 CVE-2024-8373 CVE-2025-2336 CVE-2024-21490 CVE-2023-26116  +2 more Upstream summary: It was discovered that AngularJS did not properly sanitize certain `xlink:href` attributes. A remote attacker […]

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

SLES 16 — kdump — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2016:2553-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-5759 Upstream summary: The mkdumprd script called "dracut" in the current working directory "." allows local users to trick the administrator into executing code as […]

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Ubuntu 16.04 — gimp — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gimp — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8082-1 Related CVEs: CVE-2025-5473 CVE-2025-6035 CVE-2025-48798 CVE-2025-2760 CVE-2025-10934 CVE-2025-14422 CVE-2025-48797 CVE-2017-17785  +4 more Upstream summary: Michael Randrianantenaina discovered that GIMP incorrectly handled certain malformed ICO files. An attacker could possibly […]

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openSUSE Tumbleweed — ckermit — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ckermit — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2025-68920 Upstream summary: C-Kermit (aka ckermit) through 10.0 Beta.12 (aka 416-beta12) before 244644d allows a remote Kermit system to overwrite files on the local system, […]

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CHAT