Package Management

SLES 15 — ipmitool — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ipmitool — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:0405-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-5208 Upstream summary: It's been found that multiple functions in ipmitool before 1.8.19 neglect proper checking of the data received from a remote LAN party, […]

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Arch Linux — sudo — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — sudo — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202101-25 Related CVEs: CVE-2021-3156 CVE-2021-23239 CVE-2019-18634 CVE-2019-14287 CVE-2017-1000367 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 1.9.4.p2-2. Fixed in: 1.9.5.p2-1. Group: AVG-1431. Table of contents Symptom & Impact Environment & […]

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FreeBSD 13 — xen-kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — xen-kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xen-kernel — multiple vulnerabilities Related CVEs: CVE-2015-0268 CVE-2015-1563 CVE-2015-2044 CVE-2015-2045 CVE-2015-2151 CVE-2015-2751 CVE-2015-2752 CVE-2015-3340  +12 more Upstream summary: The Xen project reports multiple vulnerabilities. Table of contents Symptom & Impact […]

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Oracle Linux 8 — samba security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — samba security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-7139)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7139 Related CVEs: CVE-2023-34968 CVE-2023-34967 CVE-2023-34966 CVE-2022-2127 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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AlmaLinux 8 — spacewalk-remote-utils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — spacewalk-remote-utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3355 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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How to Configure SSH Key Authentication on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure SSH Key Authentication on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure SSH Key Authentication on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the […]

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AlmaLinux 8 — nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4451 Related CVEs: CVE-2021-20231 CVE-2021-20232 CVE-2021-3580 Upstream summary: The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Nettle […]

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Arch Linux — opendmarc — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — opendmarc — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202105-13 Related CVEs: CVE-2020-12272 CVE-2019-20790 CVE-2020-12460 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 1.4.0-2. Fixed in: 1.4.1.1-1. Group: AVG-1375. Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 13 — xine — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — xine — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xine — multiple remote string vulnerabilities Related CVEs: CVE-2006-1905 Upstream summary: c0ntexb reports: There are 2 format string bugs in the latest version of Xine that could be exploited by […]

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