Linux

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

openSUSE Tumbleweed — pesign — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:0484-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-3560 Upstream summary: A flaw was found in pesign. The pesign package provides a systemd service used to start the pesign daemon. This service unit […]

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

openSUSE Tumbleweed — seatd — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2022-25643 Upstream summary: seatd-launch in seatd 0.6.x before 0.6.4 allows removing files with escalated privileges when installed setuid root. The attack vector is a user-supplied […]

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How To Install and Use Composer on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use Composer on Ubuntu 22.04

Composer is a popular dependency management tool for PHP, created mainly to facilitate installation and updates for project dependencies.It will check which other packages a specific project depends on and install them for you, using the appropriate versions according to the project requirements.

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Oracle Linux 8 — evolution — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — evolution — security and stability fixes — required update (ELSA-2020-4649)

🟢 Low   ⏱ 5–15 min  Last verified: 18 May 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4649 Related CVEs: CVE-2020-14928 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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AlmaLinux 8 — gnu-efi — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gnu-efi — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3682 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 120658

Debian 11 – LVM thin pool reaches 100% and blocks writes

🔴 Critical   ⏱ 5–30 min  Last verified: 18 May 2022 Affected versions: Debian 11 📖 ~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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AlmaLinux 8 — ca-certificates — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — ca-certificates — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:3573 Upstream summary: The ca-certificates package contains a set of Certificate Authority (CA) certificates chosen by the Mozilla Foundation for use with the Internet Public Key Infrastructure (PKI). Bug Fix(es) and Enhancement(s): […]

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

Debian 11 — tripwire — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0536 Upstream summary: Format string vulnerability in Tripwire commercial 4.0.1 and earlier, including 2.4, and open source 2.3.1 and earlier, allows local users to gain privileges via format […]

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Debian 11 — libxslt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

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

🟠 High   ⏱ 15–60 min  Last verified: 18 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-1767 CVE-2008-2935 CVE-2011-1202 CVE-2011-3970 CVE-2012-2825 CVE-2012-2870 CVE-2012-2871 CVE-2012-2893  +12 more Upstream summary: Buffer overflow in pattern.c in libxslt before 1.1.24 allows context-dependent attackers to cause a denial of […]

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