Linux

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

AlmaLinux 8 — mpich — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2022:2014 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 — freesweep — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — freesweep — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0828 Upstream summary: Buffer overflow in freesweep in Debian GNU/Linux 3.0 allows local users to gain "games" group privileges when processing environment variables. Table of contents Symptom & […]

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Debian 11 — gnome-session — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gnome-session — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-11171 Upstream summary: Bad reference counting in the context of accept_ice_connection() in gsm-xsmp-server.c in old versions of gnome-session up until version 2.29.92 allows a local attacker to establish […]

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Ubuntu 20.04 — node-hosted-git-info — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-hosted-git-info — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5216-1 Related CVEs: CVE-2021-23362 Upstream summary: It was discovered that hosted-git-info incorrectly handled certain inputs. A remote attacker could use this to cause a denial of service. Table of contents […]

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

Ubuntu 18.04 — node-moment — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5559-1 Related CVEs: CVE-2022-24785 CVE-2022-31129 Upstream summary: It was discovered that Moment.js incorrectly handled certain input paths. An attacker could possibly use this issue to cause a loss of integrity […]

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Gentoo Linux — dev-java/log4j — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/log4j — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202402-16 Related CVEs: CVE-2019-17571 CVE-2020-9488 CVE-2020-9493 CVE-2022-23302 CVE-2022-23305 Upstream summary: Multiple vulnerabilities hav been discovered in Apache Log4j. Please review the CVE identifiers referenced below for details. Table of contents Symptom & […]

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How to Install Keepalived for High Availability on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Keepalived for High Availability on Debian 11

Introduction Deploying install keepalived for high availability on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure […]

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SLES 15 — go1.16 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — go1.16 — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 February 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:1007-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-24921 CVE-2022-23772 CVE-2022-23806 CVE-2021-39293 CVE-2021-41771 CVE-2021-41772 CVE-2021-44716 CVE-2022-23773  +3 more Upstream summary: regexp.Compile in Go before 1.16.15 and 1.17.x before 1.17.8 allows stack exhaustion via […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9147)

🟠 High   ⏱ 15–60 min  Last verified: 7 February 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9147 Related CVEs: CVE-2021-4155 CVE-2021-3640 CVE-2022-0492 CVE-2021-3752 CVE-2021-44733 CVE-2022-0185 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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