February 2022 - Page 5 of 65

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

Debian 11 — flim — 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-2004-0422 Upstream summary: flim before 1.14.3 creates temporary files insecurely, which allows local users to overwrite arbitrary files of the Emacs user via a symlink attack. Table of […]

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Debian 11 — lyskom-server — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lyskom-server — 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-2003-0366 Upstream summary: lyskom-server 2.0.7 and earlier allows unauthenticated users to cause a denial of service (CPU consumption) via a large query. Table of contents Symptom & Impact […]

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How to Configure Disk Quotas on Ext4 on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Disk Quotas on Ext4 on Debian 9

Introduction Deploying configure disk quotas on ext4 on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before […]

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Ubuntu 20.04 — snakeyaml — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — snakeyaml — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7368-1 Related CVEs: CVE-2017-18640 CVE-2022-25857 CVE-2022-38749 CVE-2022-38750 CVE-2022-38751 Upstream summary: It was discovered that SnakeYAML incorrectly handled recursive entity references. An attacker could possibly use this issue to cause SnakeYAML […]

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SLES 15 — libsass — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libsass — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:4895-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-26592 CVE-2022-43357 CVE-2022-43358 Upstream summary: Stack Overflow vulnerability in libsass 3.6.5 via the CompoundSelector::has_real_parent_ref function. Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 13 — mariadb106-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mariadb106-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MariaDB — Multiple vulnerabilities Related CVEs: CVE-2021-46669 CVE-2022-27376 CVE-2022-27377 CVE-2022-27378 CVE-2022-27379 CVE-2022-27380 CVE-2022-27381 CVE-2022-27382  +12 more Upstream summary: The MariaDB project reports: See linked CVE's for details. Table of contents […]

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How to Set Up Yubikey Authentication on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Yubikey Authentication on Debian 11

Introduction How to Set Up Yubikey Authentication on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. […]

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