February 2022 - Page 7 of 65

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

Debian 11 — nagstamon — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-4114 Upstream summary: The automatic update request in Nagstamont before 0.9.10 uses a cleartext base64 format for transmission of a username and password, which allows remote attackers to […]

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How to Install Podman on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Podman on Debian 11

Introduction This guide explains how to Install Podman on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the standard repositories […]

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Debian 11 — nss-pam-ldapd — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nss-pam-ldapd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-0288 Upstream summary: nss-pam-ldapd before 0.7.18 and 0.8.x before 0.8.11 allows context-dependent attackers to cause a denial of service (application crash) and possibly execute arbitrary code by performing […]

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Ubuntu 20.04 — python-bleach — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-bleach — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8077-1 Related CVEs: CVE-2020-6816 CVE-2021-23980 CVE-2018-7753 CVE-2020-6802 CVE-2020-6817 Upstream summary: It was discovered that Bleach did not properly sanitize URI attributes containing character entities. An attacker could possibly use this […]

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Ubuntu 16.04 — policykit-1 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — policykit-1 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5252-2 Related CVEs: CVE-2021-4034 CVE-2019-6133 CVE-2018-19788 CVE-2015-3218 CVE-2015-3255 CVE-2015-4625 CVE-2018-1116 Upstream summary: USN-5252-1 fixed a vulnerability in policykit-1. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu […]

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How to Configure MySQL Group Replication on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure MySQL Group Replication on RHEL 7

How to Configure MySQL Group Replication on RHEL 7 MySQL Group Replication, introduced in MySQL 5.7.17, is a plugin-based high-availability mechanism that enables a set of MySQL servers to form a replication group where all writes are coordinated through a distributed consensus algorithm (Paxos-based). Unlike classic primary-replica replication, Group Replication provides built-in automatic failover: if […]

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

Oracle Linux 8 — bluez — vulnerability — patch and remediation guide (ELSA-2022-2081)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-2081 Related CVEs: CVE-2021-41229 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 Install Suricata on Rocky Linux 8 — step-by-step Linux tutorial on Progressive Robot

How To Install Suricata on Rocky Linux 8

Suricata is a Network Security Monitoring (NSM) tool that uses sets of community created and user defined signatures (also referred to as rules) to examine and process network traffic. In this tutorial you will learn how to install Suricata, and how to customize some of its default settings on Rocky Linux 8 to suit your needs.

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Debian 11 — nvidia-graphics-drivers-tesla-450 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nvidia-graphics-drivers-tesla-450 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-1052 CVE-2021-1053 CVE-2021-1056 CVE-2021-1076 CVE-2021-1077 CVE-2021-1093 CVE-2021-1094 CVE-2021-1095  +12 more Upstream summary: NVIDIA GPU Display Driver for Windows and Linux, all versions, contains a vulnerability in the kernel […]

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