Operations

Oracle Linux 9 — ruby:3.1 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — ruby:3.1 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2024-1576)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1576 Related CVEs: CVE-2023-28755 CVE-2023-28756 CVE-2023-36617 CVE-2021-33621 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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FreeBSD 12 — py310-tensorflow — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py310-tensorflow — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 May 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-tensorflow — denial of service vulnerability Related CVEs: CVE-2022-35935 CVE-2022-35941 CVE-2022-35991 Upstream summary: Kang Hong Jin, Neophytos Christou, 刘力源 and Pattarakrit Rattankul report: Another instance of CVE-2022-35935, where `SobolSample` is […]

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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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Common Problems 111836

Windows Server 2022 – gMSA password retrieval fails due to KDS key timing – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 5 May 2023 Affected versions: Windows Server 2022 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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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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