Introduction This tutorial demonstrates how to Set Up Checkmk on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with the default […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read • Source: Amazon Linux advisory ALAS2023-2024-511 Related CVEs: CVE-2023-51257 Upstream summary: An invalid memory write issue in Jasper-Software Jasper v.4.1.1 and before allows a local attacker to execute arbitrary code. (CVE-2023-51257) Table of contents Symptom […]
🔴 Critical ⏱ 5–30 min Last verified: 18 August 2023 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 & […]
🟠 High ⏱ 15–60 min Last verified: 18 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2004-2768 CVE-2005-2096 CVE-2010-0396 CVE-2010-1679 CVE-2011-0402 CVE-2014-0471 CVE-2014-3127 CVE-2014-3227 +9 more Upstream summary: dpkg 1.9.21 does not properly reset the metadata of a file during replacement of the file […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read • Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged suse{,32}_vmware<11.1 for vulnerability class 'eol'. Reference: https://ftp.NetBSD.org/pub/NetBSD/packages/vulns/eol-packages Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]
🟠 High ⏱ 15–60 min Last verified: 18 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2014-9556 CVE-2014-9732 CVE-2015-4467 CVE-2015-4468 CVE-2015-4469 CVE-2015-4470 CVE-2015-4471 CVE-2015-4472 +10 more Upstream summary: Integer overflow in the qtmd_decompress function in libmspack 0.4 allows remote attackers to cause a denial […]
🟠 High ⏱ 5–30 min Last verified: 18 August 2023 Affected versions: Windows Server 2022 📖 ~1 min read Table of contents Symptom & Impact Quick Checks Deep Diagnosis Primary Fix Verification Prevention & Hardening Symptom & Impact Kerberos pre-auth failures surge and application authentication becomes intermittent after SPN ownership drift. Services may fall […]
🟠 High ⏱ 15–60 min Last verified: 18 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2002-1225 CVE-2002-1226 CVE-2002-1235 CVE-2003-0138 CVE-2004-0371 CVE-2004-0434 CVE-2005-0469 CVE-2005-2040 +12 more Upstream summary: Multiple buffer overflows in Heimdal before 0.5, possibly in both the (1) kadmind and (2) kdc […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.9.3-r0 📖 ~4 min read • Source: Alpine secdb entry — postgresql-timescaledb 2.9.3-r0 Related CVEs: CVE-2023-25149 Upstream summary: Alpine community repository for vedge ships postgresql-timescaledb 2.9.3-r0 which addresses CVE-2023-25149. Table of contents Symptom & Impact Environment […]
🟢 Low ⏱ 5–15 min Last verified: 18 August 2023 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Borg (Backup) — flaw in cryptographic authentication scheme in Borg allowed an attacker to fake archives and indirectly cause backup data loss. Related CVEs: CVE-2023-36811 Upstream summary: Thomas Waldmann reports: […]
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VAT Number ( 506152326 )
