Package Management

CentOS Stream 9 — device-mapper-multipath — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — device-mapper-multipath — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 6, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 6 June 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2022:8453 Related CVEs: CVE-2022-3787 CVE-2022-41974 CVE-2022-41973 Upstream summary: The device-mapper-multipath packages provide tools that use the device-mapper multipath kernel module to manage multipath devices. Security Fix(es): * device-mapper-multipath: Regression of CVE-2022-41974 […]

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How to Set Up a Web Application Firewall on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up a Web Application Firewall on Oracle Linux 9

Introduction How to Set Up a Web Application Firewall on Oracle Linux 9 on Oracle Linux 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 […]

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NetBSD 9.4 — p5-Proc-Daemon — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — p5-Proc-Daemon — vulnerability — patch and remediation guide

  • June 5, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2013-7135 Upstream summary: pkgsrc audit-packages flagged p5-Proc-Daemon<0.14nb4 for vulnerability class 'denial-of-service'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7135 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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NetBSD 9.4 — ffmepg010 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ffmepg010 — vulnerability — patch and remediation guide

  • June 5, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2015-5479 Upstream summary: pkgsrc audit-packages flagged ffmepg010-[0-9]* for vulnerability class 'denial-of-service'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5479 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Oracle Linux 9 — go-toolset and golang — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — go-toolset and golang — security and stability fixes — required update (ELSA-2022-5799)

  • June 5, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 5 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5799 Related CVEs: CVE-2022-1962 CVE-2022-28131 CVE-2022-30631 CVE-2022-32148 CVE-2022-1705 CVE-2022-30633 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Ubuntu 16.04 — shadow — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — shadow — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • June 5, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 5 June 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6640-1 Related CVEs: CVE-2023-4641 https://launchpad.net/bugs/1998169 CVE-2013-4235 CVE-2017-12424 CVE-2018-7169 https://launchpad.net/bugs/1690820 CVE-2016-6252 CVE-2017-2616 Upstream summary: It was discovered that shadow was not properly sanitizing memory when running the password utility. An attacker […]

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Amazon Linux 2023 — rsyslog — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — rsyslog — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 5, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-001 Related CVEs: CVE-2014-3634 CVE-2022-24903 Upstream summary: A flaw was found in the way rsyslog handled invalid log message priority values. In certain configurations, a local attacker, or a remote […]

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

Ubuntu 16.04 — cargo — vulnerability — patch and remediation guide

  • June 5, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 5 June 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6275-1 Related CVEs: CVE-2023-38497 Upstream summary: Addison Crump discovered that Cargo incorrectly set file permissions on UNIX-like systems when extracting crate archives. If the crate would contain files writable by […]

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NetBSD 9.4 — ruby200-rest-client — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby200-rest-client — vulnerability — patch and remediation guide

  • June 5, 2023
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged ruby200-rest-client<1.7.3 for vulnerability class 'sensitive-information-exposure'. Reference: https://github.com/rest-client/rest-client/issues/349 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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

AlmaLinux 8 — traceroute — vulnerability — patch and remediation guide

  • June 5, 2023
  • 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-2024:3211 Related CVEs: CVE-2023-46316 Upstream summary: The traceroute utility displays the route used by IP packets on their way to a specified network (or Internet) host. Security Fix(es): * traceroute: improper command […]

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