August 2021 - Page 9 of 65

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

Debian 11 — yadm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-11353 Upstream summary: yadm (yet another dotfile manager) 1.10.0 has a race condition (related to the behavior of git commands in setting permissions for new files and directories), […]

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openSUSE Tumbleweed — libxls-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libxls-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0142-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-27836 CVE-2020-27819 Upstream summary: An issue was discoverered in in function xls_getWorkSheet in xls.c in libxls 1.6.2, allows attackers to cause a denial of service, […]

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Debian 11 — x11-xkb-utils — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — x11-xkb-utils — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-15853 CVE-2018-15859 CVE-2018-15861 CVE-2018-15863 Upstream summary: Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users […]

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Alpine Linux edge — spice — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — spice — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.15.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — spice 0.15.0-r0 Related CVEs: CVE-2020-14355 CVE-2021-20201 CVE-2019-3813 CVE-2018-10873 CVE-2017-7506 CVE-2016-9577 CVE-2016-9578 Upstream summary: Alpine main repository for vedge ships spice 0.15.0-r0 which addresses CVE-2020-14355. Table […]

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How to Back Up and Restore MySQL Databases with mysqldump on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Back Up and Restore MySQL Databases with mysqldump on RHEL 8

Regular database backups are one of the most important operational habits for any MySQL deployment, and RHEL 8 provides all the tools you need to implement a solid backup strategy. mysqldump produces portable SQL dumps that are easy to restore and inspect, while mysqlpump adds parallelism for faster exports on larger datasets. This tutorial covers […]

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Oracle Linux 8 — container-tools:ol8 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:ol8 — security and stability fixes — required update (ELSA-2024-2098)

🟠 High   ⏱ 15–60 min  Last verified: 27 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2098 Related CVEs: CVE-2024-1753 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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Common Problems 117549

Ubuntu 20.04 Docker permission denied for non-root user

🟡 Medium   ⏱ 5–30 min  Last verified: 27 August 2021 📖 ~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 — exim-postgresql — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — exim-postgresql — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: exim — local privilege escalation Related CVEs: CVE-2004-0400 CVE-2005-0021 CVE-2005-0022 CVE-2011-0017 Upstream summary: exim.org reports: CVE-2011-0017 – check return value of setuid/setgid. This is a privilege escalation vulnerability whereby the […]

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How to Install InfluxDB and Telegraf on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install InfluxDB and Telegraf on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install influxdb and telegraf on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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