Linux

Gentoo Linux — app-emulation/virtualbox-extpack-oracle — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-emulation/virtualbox-extpack-oracle — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 2, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202208-36 Related CVEs: CVE-2021-2145 CVE-2021-2250 CVE-2021-2264 CVE-2021-2266 CVE-2021-2279 CVE-2021-2280 CVE-2021-2281 CVE-2021-2282  +12 more Upstream summary: Multiple vulnerabilities have been discovered in VirtualBox. Please review the CVE identifiers referenced below for details. Table […]

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How to Install HAProxy on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Install HAProxy on CentOS Stream 9

  • February 1, 2022
  • CentOS
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Introduction How to Install HAProxy 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 reproducible […]

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

AlmaLinux 8 — coreutils — vulnerability — patch and remediation guide

  • February 1, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4418 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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AlmaLinux 8 — libsolv — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libsolv — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • February 1, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4060 Related CVEs: CVE-2021-33928 CVE-2021-33929 CVE-2021-33930 CVE-2021-33938 CVE-2021-3200 Upstream summary: The libsolv packages provide a library for resolving package dependencies using a satisfiability algorithm. Security Fix(es): * libsolv: heap-based buffer overflow in […]

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Debian 11 — nim — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

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

  • February 1, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 1 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15690 CVE-2020-15692 CVE-2020-15693 CVE-2020-15694 CVE-2021-21372 CVE-2021-21373 CVE-2021-21374 CVE-2021-29495  +1 more Upstream summary: In Nim before 1.2.6, the standard library asyncftpclient lacks a check for whether a message contains […]

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Debian 11 — iproute2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — iproute2 — vulnerability — patch and remediation guide

  • February 1, 2022
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 1 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-20795 Upstream summary: iproute2 before 5.1.0 has a use-after-free in get_netnsid_from_name in ip/ipnetns.c. NOTE: security relevance may be limited to certain uses of setuid that, although not a […]

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How to Set Up IPv6 on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up IPv6 on Debian 11

  • February 1, 2022
  • Linux
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Introduction This guide explains how to Set Up IPv6 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 […]

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Debian 11 — gif2apng — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gif2apng — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • February 1, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 1 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-45907 CVE-2021-45908 CVE-2021-45909 CVE-2021-45910 CVE-2021-45911 Upstream summary: An issue was discovered in gif2apng 1.9. There is a stack-based buffer overflow involving a for loop. An attacker has little […]

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CentOS Stream 9 — rpm — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — rpm — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • February 1, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 1 February 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:0463 Related CVEs: CVE-2021-35937 CVE-2021-35938 CVE-2021-35939 Upstream summary: The RPM Package Manager (RPM) is a command-line driven package management system capable of installing, uninstalling, verifying, querying, and updating software packages. Security […]

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