Operations

Gentoo Linux — dev-python/django — multiple vulnerabilities (20 CVEs) — patch and remediation guide

• February 27, 2022
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202509-03 Related CVEs: CVE-2021-3281 CVE-2021-28658 CVE-2021-31542 CVE-2021-32052 CVE-2021-33203 CVE-2021-33571 CVE-2021-35042 CVE-2021-44420  +12 more Upstream summary: Multiple vulnerabilities have been discovered in Django. Please review the CVE identifiers referenced below for details. Table […]

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How to Configure Disk Quotas on Ext4 on Debian 9

• February 27, 2022
• Linux
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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

• February 27, 2022
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 February 2022 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

• February 27, 2022
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 February 2022 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

• February 27, 2022
• BSD
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🟠 High   ⏱ 15–60 min  Last verified: 27 February 2022 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

• February 27, 2022
• Linux
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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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Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-3548)

• February 26, 2022
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 26 February 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3548 Related CVEs: CVE-2021-3653 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 — crypto-policies — vulnerability — patch and remediation guide

• February 26, 2022
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2044 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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How to Install Cassandra on CentOS Stream 9

• February 26, 2022
• CentOS
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Introduction This tutorial demonstrates how to Install Cassandra 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 AppStream […]

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IBM AIX 7.3 — CVE-2006-5004 — vulnerability — patch and remediation guide

• February 26, 2022
• Tutorials
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🟢 Low   ⏱ 10–30 min  Last verified: 26 February 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2006-5004, IBM Support Bulletin CVE: CVE-2006-5004 NVD summary: Unspecified vulnerability in the rdist command in IBM AIX 5.2.0 and 5.3.0 allows local users to overwrite arbitrary files via unspecified vectors. References: ftp://aix.software.ibm.com/aix/efixes/security/R […]

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