Linux

Amazon Linux 2 — pacemaker — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — pacemaker — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1275 Related CVEs: CVE-2018-16877 CVE-2018-16878 CVE-2019-3885 CVE-2020-25654 Upstream summary: A flaw was found in pacemaker. An insufficient verification inflicted preference of uncontrolled processes can lead to DoS. (CVE-2018-16878) A use-after-free […]

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Debian 10 — zeromq3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — zeromq3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 May 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-13132 CVE-2020-15166 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Oracle Linux 8 — kernel update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel update (ELSA-2024-3618)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3618 Related CVEs: CVE-2021-46934 CVE-2023-6240 CVE-2023-52595 CVE-2021-47055 CVE-2021-47185 CVE-2022-48669 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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AlmaLinux 8 — cairomm — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — cairomm — multiple vulnerabilities (12 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-2021:1586 Related CVEs: CVE-2019-13012 CVE-2020-13543 CVE-2020-13584 CVE-2020-16125 CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2021-1817  +4 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]

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Как настроить ключи SSH в Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Как настроить ключи SSH в Ubuntu 18.04

SSH (secure shell, безопасная оболочка) представляет собой шифрованный протокол для администрирования и взаимодействия между серверами. Во время работы с сервером Ubuntu вы, скорее всего, будете проводить большую часть времени в вашем терминале, подключенном через SSH к вашему…

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Gentoo Linux — app-emulation/containerd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-emulation/containerd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202105-33 Related CVEs: CVE-2020-15257 CVE-2021-21334 Upstream summary: Multiple vulnerabilities have been discovered in containerd. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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Ubuntu 18.04 — ant — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — ant — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 May 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4874-1 Related CVEs: CVE-2020-1945 Upstream summary: It was discovered that Apache Ant created temporary files with insecure permissions. An attacker could use this vulnerability to read sensitive information leaked into […]

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Oracle Linux 8 — exiv2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — exiv2 — vulnerability — patch and remediation guide (ELSA-2021-3152)

🟠 High   ⏱ 15–60 min  Last verified: 26 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3152 Related CVEs: CVE-2021-31291 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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Arch Linux — kube-apiserver — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — kube-apiserver — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202106-29 Related CVEs: CVE-2021-25737 Upstream summary: Type: insufficient validation. Status: Fixed. Affected: 1.21.0-1. Fixed in: 1.21.1-1. Group: AVG-1970. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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