Linux

Gentoo Linux — media-libs/lcms — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/lcms — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202105-18 Related CVEs: CVE-2018-16435 Upstream summary: It was discovered that LittleCMS (aka Little Color Management System) had an integer overflow in the AllocateDataSet function in cmscgats.c. Table of contents Symptom & Impact […]

Read more
Ubuntu 16.04 — postgresql-common — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — postgresql-common — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 December 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4194-1 Related CVEs: CVE-2019-3466 CVE-2016-1255 CVE-2017-8806 Upstream summary: Rich Mirch discovered that the postgresql-common pg_ctlcluster script incorrectly handled directory creation. A local attacker could possibly use this issue to escalate […]

Read more
Arch Linux — libnl — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libnl — vulnerability — 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-201706-35 Related CVEs: CVE-2017-0553 Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 3.2.29-2. Fixed in: 3.3.0-1. Group: AVG-292. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

Read more
How to Set Up Two-Factor Authentication for SSH with Google Authenticator on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up Two-Factor Authentication for SSH with Google Authenticator on RHEL 7

How to Set Up Two-Factor Authentication for SSH with Google Authenticator on RHEL 7 Password-based SSH authentication is vulnerable to brute-force attacks, credential stuffing, and phishing. Adding a second authentication factor — a time-based one-time password (TOTP) generated by an app like Google Authenticator or Authy — dramatically reduces this risk. Even if an attacker […]

Read more
Common Problems 118392

Ubuntu 16.04 Boot Stuck at GRUB Prompt After Update

🟡 Medium   ⏱ 5–30 min  Last verified: 20 December 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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

Arch Linux — aubio — 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-201902-8 Related CVEs: CVE-2018-19802 CVE-2018-19801 CVE-2018-19800 Upstream summary: Type: denial of service. Status: Fixed. Affected: 0.4.8-1. Fixed in: 0.4.9-1. Group: AVG-888. Table of contents Symptom & Impact Environment & Reproduction […]

Read more
Ubuntu 16.04 — libofx — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libofx — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 December 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4523-1 Related CVEs: CVE-2019-9656 Upstream summary: It was discovered that LibOFX did not properly check for errors in certain situations, leading to a NULL pointer dereference. A remote attacker could […]

Read more
SLES 15 — cron — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — cron — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2006:027 (see also SUSE bugzilla) Related CVEs: CVE-2006-2607 CVE-2010-0424 CVE-2019-9704 CVE-2019-9705 Upstream summary: do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid call, which might allow […]

Read more
SLES 15 — libdb — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libdb — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:3135-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-2708 Upstream summary: Vulnerability in the Data Store component of Oracle Berkeley DB. Supported versions that are affected are Prior to 6.138, prior to 6.2.38 […]

Read more
CHAT