Systemd Services

AlmaLinux 8 — pyOpenSSL — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — pyOpenSSL — 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-2021:1793 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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Debian 11 — audiofile — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

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

🟠 High   ⏱ 15–60 min  Last verified: 29 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5824 CVE-2015-7747 CVE-2017-6827 CVE-2017-6828 CVE-2017-6829 CVE-2017-6830 CVE-2017-6831 CVE-2017-6832  +12 more Upstream summary: Heap-based buffer overflow in msadpcm.c in libaudiofile in audiofile 0.2.6 allows context-dependent attackers to cause a […]

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Ubuntu 18.04 — linux-hwe — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-hwe — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 October 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5014-1 Related CVEs: CVE-2021-33909 CVE-2021-3609 https://launchpad.net/bugs/1924611 CVE-2021-29154 CVE-2021-3492 CVE-2021-3493 CVE-2020-27170 CVE-2020-27171  +12 more Upstream summary: It was discovered that the virtual file system implementation in the Linux kernel contained an […]

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SLES 15 — clone-master-clean-up — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — clone-master-clean-up — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 October 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3667-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-32000 Upstream summary: A UNIX Symbolic Link (Symlink) Following vulnerability in the clone-master-clean-up.sh script of clone-master-clean-up in SUSE Linux Enterprise Server 12 SP3, SUSE Linux […]

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Debian 10 — ruby-kramdown — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ruby-kramdown — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 October 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-14001 CVE-2021-28834 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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Alpine Linux edge — gegl — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — gegl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.4.34-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gegl 0.4.34-r0 Related CVEs: CVE-2021-45463 Upstream summary: Alpine community repository for vedge ships gegl 0.4.34-r0 which addresses CVE-2021-45463. Table of contents Symptom & Impact Environment […]

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FreeBSD 13 — percona57-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — percona57-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Client — Multiple vulerabilities Related CVEs: CVE-2020-2752 CVE-2020-2875 CVE-2020-2922 CVE-2020-2933 CVE-2020-2934 Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches for Oracle MySQL. 9 of […]

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

Oracle Linux 8 — yum security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-3583)

🟡 Medium   ⏱ 10–30 min  Last verified: 28 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3583 Related CVEs: CVE-2018-20534 CVE-2019-3817 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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How to Set Up ZFS Send and Receive on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up ZFS Send and Receive on FreeBSD 13

Introduction Deploying set up zfs send and receive on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within […]

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