Linux

openSUSE Tumbleweed — libgmp10 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libgmp10 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:1569-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-43618 Upstream summary: GNU Multiple Precision Arithmetic Library (GMP) through 6.2.1 has an mpz/inp_raw.c integer overflow and resultant buffer overflow via crafted input, leading to […]

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Debian 10 — libphp-adodb — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libphp-adodb — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 May 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3850 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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openSUSE Tumbleweed — zsh — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — zsh — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0735-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-45444 CVE-2018-0502 CVE-2018-1100 CVE-2018-13259 CVE-2019-20044 CVE-2018-1083 CVE-2018-1071 Upstream summary: In zsh before 5.8.1, an attacker can achieve code execution if they control a command output […]

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Ubuntu 20.04 — freeimage — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — freeimage — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 May 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6586-1 Related CVEs: CVE-2019-12211 CVE-2019-12213 CVE-2020-21427 CVE-2020-21428 CVE-2020-22524 Upstream summary: It was discovered that FreeImage incorrectly handled certain memory operations. If a user were tricked into opening a crafted TIFF […]

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Arch Linux — drupal — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — drupal — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201804-10 Related CVEs: CVE-2018-7602 CVE-2018-7600 CVE-2021-33829 CVE-2016-9452 CVE-2016-9450 CVE-2016-9449 Upstream summary: Type: arbitrary command execution. Status: Fixed. Affected: 8.5.2-1. Fixed in: 8.5.3-1. Group: AVG-679. Table of contents Symptom & Impact […]

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SLES 12 — libtirpc3 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libtirpc3 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 May 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:2025-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-46828 Upstream summary: In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are […]

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How to Schedule Automated Tasks with cron and anacron on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Schedule Automated Tasks with cron and anacron on RHEL 7

How to Schedule Automated Tasks with cron and anacron on RHEL 7 Automation is at the heart of effective Linux system administration. Red Hat Enterprise Linux 7 provides two complementary scheduling systems: cron for tasks that need to run at precise times on continuously running servers, and anacron for tasks that must eventually run on […]

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AlmaLinux 8 — spacewalk-oscap — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — spacewalk-oscap — 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-2019:3355 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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Oracle Linux 8 — /var/run/rhnsd.pid file not readable after starting Spacewalk daemon — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — /var/run/rhnsd.pid file not readable after starting Spacewalk daemon

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 29531930 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 […]

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