Linux

Arch Linux — element-desktop — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — element-desktop — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202109-4 Related CVEs: CVE-2021-40823 Upstream summary: Type: information disclosure. Status: Fixed. Affected: 1.7.34-2. Fixed in: 1.8.4-1. Group: AVG-2377. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Ubuntu 18.04 — squashfs-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — squashfs-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 April 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5078-1 Related CVEs: CVE-2021-41072 CVE-2021-40153 Upstream summary: Richard Weinberger discovered that Squashfs-Tools mishandled certain malformed SQUASHFS files. An attacker could use this vulnerability to write arbitrary files to the filesystem. […]

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Ubuntu 18.04 — libhttp-daemon-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libhttp-daemon-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 April 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5520-1 Related CVEs: CVE-2022-31081 Upstream summary: It was discovered that HTTP-Daemon incorrectly handled certain crafted requests. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling […]

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Amazon Linux 2 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2FIREFOX-2023-009 Related CVEs: CVE-2022-45403 CVE-2022-45404 CVE-2022-45405 CVE-2022-45406 CVE-2022-45408 CVE-2022-45409 CVE-2022-45410 CVE-2022-45411  +12 more Upstream summary: Service Workers should not be able to infer information about opaque cross-origin responses; but timing […]

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SLES 12 — atftp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — atftp — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 22 April 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:1091-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-11365 CVE-2021-41054 CVE-2019-11366 CVE-2021-46671 Upstream summary: An issue was discovered in atftpd in atftp 0.7.1. A remote attacker may send a crafted packet triggering a […]

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How to Install OpenShift CLI on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Install OpenShift CLI on CentOS Stream 9

Introduction This tutorial demonstrates how to Install OpenShift CLI on CentOS Stream 9 on CentOS Stream 9. 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 CentOS Stream 9 system with the default […]

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

Debian 11 — rocksndiamonds — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-4606 Upstream summary: Artsoft Entertainment Rocks'n'Diamonds (aka rocksndiamonds) 3.3.0.1 allows local users to overwrite arbitrary files via a symlink attack on .rocksndiamonds/cache/artworkinfo.cache under a user's home directory. Table […]

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AlmaLinux 8 — gtk-vnc — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gtk-vnc — 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-2020:1690 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 — zim — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — zim — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-10870 Upstream summary: Zim through 0.72.1 creates temporary directories with predictable names. A malicious user could predict and create Zim's temporary directories and prevent other users from being […]

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

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1093)

🟠 High   ⏱ 15–60 min  Last verified: 21 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1093 Related CVEs: CVE-2021-26708 CVE-2021-3347 CVE-2021-27365 CVE-2021-27363 CVE-2021-27364 CVE-2020-27152 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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