Linux

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

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

🔴 Critical   ⏱ 15–90 min  Last verified: 23 July 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:712-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-29599 CVE-2021-26291 CVE-2020-13956 Upstream summary: In Apache Maven maven-shared-utils prior to version 3.3.3, the Commandline class can emit double-quoted strings without proper escaping, allowing shell […]

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Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 23 July 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4772 Related CVEs: CVE-2022-1529 CVE-2022-1802 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 Configure Docker Resource Limits on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Docker Resource Limits on Debian 11

Introduction Deploying configure docker resource limits on debian 11 on a Debian 11 Bullseye 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 You will […]

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

Oracle Linux 8 — poppler — security and stability fixes — required update (ELSA-2022-7594)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 July 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7594 Related CVEs: CVE-2022-27337 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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How to Use Docker Secrets and Environment Variables Securely on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Use Docker Secrets and Environment Variables Securely on RHEL 9

Secrets and environment variables in Docker containers require careful handling to avoid leaking credentials into image layers, container logs, or environment variable dumps. The most common mistakes are: hardcoding credentials in Dockerfiles (they persist in image layer history forever), passing secrets via –env or –env-file flags (visible in docker inspect output and the process environment), […]

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Common Problems 117020

Ubuntu 22.04 LTS APT Lock Contention Blocks Automated Patch Jobs

🟡 Medium   ⏱ 5–30 min  Last verified: 22 July 2022 📖 ~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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Debian 11 — nagios4 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nagios4 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-13441 CVE-2018-13457 CVE-2018-13458 CVE-2018-18245 CVE-2020-13977 CVE-2020-35269 Upstream summary: qh_help in Nagios Core version 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attacker to […]

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Debian 10 — gzip — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — gzip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 July 2022 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-1271 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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Debian 11 — inkscape — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — inkscape — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-3737 CVE-2005-3885 CVE-2007-1463 CVE-2007-1464 CVE-2012-5656 CVE-2012-6076 CVE-2021-42700 CVE-2021-42702  +1 more Upstream summary: Buffer overflow in the SVG importer (style.cpp) of inkscape 0.41 through 0.42.2 might allow remote attackers […]

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Debian 11 — uw-imap — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — uw-imap — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1782 CVE-2003-0297 CVE-2005-0198 CVE-2005-2933 CVE-2008-5005 CVE-2008-5006 CVE-2008-5514 CVE-2018-19518 Upstream summary: The default configuration of University of Washington IMAP daemon (wu-imapd), when running on a system that does not […]

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