Linux

Debian 12 — whois — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — whois — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0709 Upstream summary: Buffer overflow in the whois client, which is not setuid but is sometimes called from within CGI programs, may allow remote attackers to execute arbitrary […]

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Rocky Linux 9 — gcc-toolset-13-gcc — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — gcc-toolset-13-gcc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLEA-2024:4768 Upstream summary: The gcc-toolset-13-gcc13 package contains the GNU Compiler Collection version 13. Bug Fix(es) and Enhancement(s): * ship a Rocky Linux 9.4.z equivalent of the Rocky Linux 9.5 gcc-toolset-13-gcc […]

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Debian 12 — gnustep-base — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gnustep-base — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-1457 CVE-2010-1620 CVE-2014-2980 Upstream summary: Tools/gdomap.c in gdomap in GNUstep Base before 1.20.0 allows local users to read arbitrary files via a (1) -c or (2) -a option, […]

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Ubuntu 16.04 — axis — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — axis — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 August 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6470-1 Related CVEs: CVE-2023-40743 Upstream summary: It was discovered that Axis incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input […]

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SLES 12 — libapr1 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libapr1 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 August 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:3428-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-49582 CVE-2011-0419 CVE-2017-12613 CVE-2011-1928 Upstream summary: Lax permissions set by the Apache Portable Runtime library on Unix platforms would allow local users read access to […]

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Oracle Linux 8 — libreswan — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libreswan — vulnerability — patch and remediation guide (ELSA-2023-2122)

🟠 High   ⏱ 15–60 min  Last verified: 31 August 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2122 Related CVEs: CVE-2023-30570 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 Manage Users and Groups on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Manage Users and Groups on Debian 12

Introduction Deploying manage users and groups on debian 12 on a Debian 12 Bookworm 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 you […]

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Oracle Linux 9 — gimp security and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gimp security and — enhancement update — new behaviour and fixes (ELSA-2022-7978)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7978 Related CVEs: CVE-2022-32990 CVE-2022-30067 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 DNS Resolution on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure DNS Resolution on CentOS Stream 9

Introduction How to Configure DNS Resolution on CentOS Stream 9 on CentOS Stream 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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AlmaLinux 9 — sysstat — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — sysstat — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:6569 Related CVEs: CVE-2023-33204 CVE-2022-39377 Upstream summary: The sysstat packages provide the sar and iostat commands. These commands enable system monitoring of disk, network, and other I/O activity. Security Fix(es): * sysstat: […]

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