Linux

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

AlmaLinux 8 — oddjob — 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-2021:1759 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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Debian 11 — fwbuilder — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — fwbuilder — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4956 CVE-2009-4664 Upstream summary: fwb_install in fwbuilder 2.1.19 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/ssh-agent.##### temporary file. Table of contents Symptom […]

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Debian 11 — asciidoctor — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — asciidoctor — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-18385 Upstream summary: Asciidoctor in versions < 1.5.8 allows remote attackers to cause a denial of service (infinite loop). The loop was caused by the fact that Parser.next_block […]

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

AlmaLinux 8 — protobuf — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:7464 Related CVEs: CVE-2021-22570 Upstream summary: The protobuf packages provide Protocol Buffers, Google's data interchange format. Protocol Buffers can encode structured data in an efficient yet extensible format, and provide a flexible, […]

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Debian 11 — node-debug — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-debug — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-16137 CVE-2017-20165 Upstream summary: The debug module is vulnerable to regular expression denial of service when untrusted user input is passed into the o formatter. It takes around […]

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Oracle Linux 8 — virt:kvm_utils — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:kvm_utils — vulnerability — patch and remediation guide (ELSA-2022-9364)

🟠 High   ⏱ 15–60 min  Last verified: 1 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9364 Related CVEs: CVE-2021-4145 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 — pam-u2f — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — pam-u2f — 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-202106-16 Related CVEs: CVE-2021-31924 CVE-2019-12210 CVE-2019-12209 Upstream summary: Type: authentication bypass. Status: Fixed. Affected: 1.1.0-1. Fixed in: 1.1.1-1. Group: AVG-2001. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 11 — libsixel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libsixel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-14072 CVE-2018-14073 CVE-2018-19756 CVE-2018-19757 CVE-2018-19759 CVE-2018-19761 CVE-2018-19762 CVE-2018-19763  +12 more Upstream summary: libsixel 1.8.1 has a memory leak in sixel_decoder_decode in decoder.c, image_buffer_resize in fromsixel.c, and sixel_decode_raw in […]

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Настройка ключей SSH в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Настройка ключей SSH в Ubuntu 20.04

SSH или защищенная оболочка — это шифрованный протокол, используемый для администриования и связи с серверами. При работе с сервером Ubuntu вы проведете больше всего времени в сеансах терминала с подключением к серверу через SSH. В этом руководстве мы рассмотрим процесс…

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Oracle Linux 8 — 389-ds:1.4 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — 389-ds:1.4 — security and stability fixes — required update (ELSA-2021-1086)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1086 Related CVEs: CVE-2020-35518 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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