Package Management

Debian 11 — python-oslo.utils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-oslo.utils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 May 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-7231 CVE-2019-3866 CVE-2022-0718 Upstream summary: The strutils.mask_password function in the OpenStack Oslo utility library, Cinder, Nova, and Trove before 2013.2.4 and 2014.1 before 2014.1.3 does not properly mask […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 5 May 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-5389 CVE-2019-10155 CVE-2019-12312 CVE-2020-1763 CVE-2022-23094 CVE-2023-23009 CVE-2023-30570 CVE-2023-38710  +3 more Upstream summary: The Internet Key Exchange v1 main mode is vulnerable to offline dictionary or brute force attacks. […]

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Ubuntu 22.04 — dogtag-pki — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — dogtag-pki — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 May 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7146-1 Related CVEs: CVE-2017-7537 CVE-2020-25715 CVE-2022-2414 Upstream summary: Christina Fu discovered that Dogtag PKI accidentally enabled a mock authentication plugin by default. An attacker could potentially use this flaw to […]

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Ubuntu 22.04 — scipy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — scipy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 May 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6226-1 Related CVEs: CVE-2023-25399 CVE-2023-29824 Upstream summary: It was discovered that SciPy did not properly manage memory operations during reference counting. An attacker could possibly use this issue to cause […]

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

Ubuntu 16.04 — dpkg — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 May 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5446-2 Related CVEs: CVE-2022-1664 Upstream summary: USN-5446-1 fixed a vulnerability in dpkg. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Max Justicz discovered that dpkg […]

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Ubuntu 22.04 — libclamunrar — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libclamunrar — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 May 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6569-1 Related CVEs: CVE-2022-30333 CVE-2023-40477 Upstream summary: it was discovered that libclamunrar incorrectly handled directories when extracting RAR archives. A remote attacker could possibly use this issue to overwrite arbitrary […]

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How to Add a Sudo User on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Add a Sudo User on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying add a sudo user on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Add a Sudo User on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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

Oracle Linux 8 — yajl — vulnerability — patch and remediation guide (ELSA-2023-7057)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7057 Related CVEs: CVE-2023-33460 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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Windows Server 2016 — KB5027543 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5027543 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5027543 • MSRC update-guide entry Related CVEs: CVE-2023-24897 CVE-2023-24895 CVE-2023-29326 CVE-2023-29331 CVE-2023-32030 CVE-2023-24936 Affected components: Microsoft .NET Framework 4.8 on Windows Server 2016 Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2023-12226)

🟠 High   ⏱ 15–60 min  Last verified: 5 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12226 Related CVEs: CVE-2022-2196 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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