Operations

How to Configure LVM on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure LVM on FreeBSD 13

Introduction This guide explains how to Configure LVM on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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Alpine Linux edge — rpm — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — rpm — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.18.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — rpm 4.18.0-r0 Related CVEs: CVE-2021-35937 CVE-2021-35938 CVE-2021-35939 CVE-2021-3521 CVE-2021-3421 CVE-2021-20271 CVE-2021-20266 Upstream summary: Alpine community repository for vedge ships rpm 4.18.0-r0 which addresses CVE-2021-35937. Table […]

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Debian 11 — ocsinventory-server — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ocsinventory-server — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1443 CVE-2009-1769 CVE-2009-2166 CVE-2009-3040 CVE-2009-3042 CVE-2010-1594 CVE-2010-1595 CVE-2010-1733  +11 more Upstream summary: Multiple unspecified vulnerabilities in the Server component in OCS Inventory NG before 1.02 have unknown impact […]

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Debian 11 — colord — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — colord — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-4349 CVE-2021-42523 Upstream summary: Multiple SQL injection vulnerabilities in (1) cd-mapping-db.c and (2) cd-device-db.c in colord before 0.1.15 allow local users to execute arbitrary SQL commands via vectors […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2021-9057)

🟠 High   ⏱ 15–60 min  Last verified: 3 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9057 Related CVEs: CVE-2021-26932 CVE-2021-26930 CVE-2021-26931 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Debian 10 — xen — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — xen — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 September 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17349 CVE-2020-11739 CVE-2020-25595 CVE-2020-27670 CVE-2020-29479 CVE-2021-0089 CVE-2021-26933 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

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Amazon Linux 2 — gupnp — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — gupnp — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1673 Related CVEs: CVE-2021-33516 Upstream summary: A flaw was found in gupnp. DNS rebinding can occur when a victim's browser is used by a remote web server to trigger actions […]

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Oracle Linux 8 — rpm security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — rpm security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-4489)

🟢 Low   ⏱ 5–15 min  Last verified: 2 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4489 Related CVEs: CVE-2021-20266 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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FreeBSD 13 — php71-mbstring — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php71-mbstring — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: oniguruma — multiple vulnerabilities Related CVEs: CVE-2017-9224 CVE-2017-9226 CVE-2017-9227 CVE-2017-9228 Upstream summary: the PHP project reports: A stack out-of-bounds read occurs in match_at() during regular expression searching. A logical error […]

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

FreeBSD 13 — kibana — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kibana4 — XSS vulnerability Related CVEs: CVE-2015-8131 Upstream summary: Elastic reports: Fixes XSS vulnerability (CVE pending) – Thanks to Vladimir Ivanov for responsibly reporting. Table of contents Symptom & Impact […]

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