August 2021 - Page 6 of 69

How to Register SLES 12 with SUSE Customer Center — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Register SLES 12 with SUSE Customer Center

Introduction This tutorial covers How to Register SLES 12 with SUSE Customer Center on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper […]

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Common Problems 115014

RHEL 8 Kernel Updated but Old Entry Boots by Default

🟡 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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FreeBSD 13 — ampache — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ampache — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ampache — insecure temporary file usage Related CVEs: CVE-2008-3929 Upstream summary: Secunia reports: A security issue has been reported in Ampache, which can be exploited by malicious, local users to […]

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Debian 11 — semi — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — semi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0440 Upstream summary: The (1) semi MIME library 1.14.5 and earlier, and (2) wemi 1.14.0 and possibly other versions, allows local users to overwrite arbitrary files via a […]

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Debian 11 — libid3tag — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libid3tag — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2779 CVE-2008-2109 CVE-2017-11550 CVE-2017-11551 Upstream summary: id3_utf16_deserialize() in utf16.c in libid3tag through 0.15.1b misparses ID3v2 tags encoded in UTF-16 with an odd number of bytes, triggering an endless […]

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Debian 11 — ruby-rest-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-rest-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-1820 CVE-2015-3448 Upstream summary: REST client for Ruby (aka rest-client) before 1.8.0 allows remote attackers to conduct session fixation attacks or obtain sensitive cookie information by leveraging passage […]

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Ubuntu 20.04 — c3p0 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — c3p0 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5293-1 Related CVEs: CVE-2019-5427 Upstream summary: Aaron Massey discovered that c3p0 could be made to crash when parsing certain input. An attacker able to modify the application's XML configuration file […]

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How to Install Lua on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Lua on FreeBSD 13

Introduction This guide explains how to Install Lua 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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Ubuntu 18.04 — qtsvg-opensource-src — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — qtsvg-opensource-src — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5241-1 Related CVEs: CVE-2018-19869 CVE-2021-3481 CVE-2021-45930 Upstream summary: It was discovered that QtSvg incorrectly handled certain malformed SVG images. If a user or automated system were tricked into opening a […]

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