Linux

Arch Linux — lib32-icu — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lib32-icu — vulnerability — 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-201711-26 Related CVEs: CVE-2017-14952 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 59.1-1. Fixed in: 60.1-1. Group: AVG-507. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide (ELSA-2023-12674)

🟠 High   ⏱ 15–60 min  Last verified: 28 December 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12674 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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openSUSE Tumbleweed — python-mysql-connector-python — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python-mysql-connector-python — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2016-5598 Upstream summary: Unspecified vulnerability in the MySQL Connector component 2.1.3 and earlier and 2.0.4 and earlier in Oracle MySQL allows remote attackers to affect […]

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How to Configure Network QoS with tc on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Network QoS with tc on RHEL 7

How to Configure Network QoS with tc on RHEL 7 Quality of Service (QoS) is the practice of managing network traffic to ensure that critical applications receive the bandwidth and latency guarantees they need. Linux provides a sophisticated traffic control subsystem accessible through the tc (traffic control) command, part of the iproute2 package. With tc, […]

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Alpine Linux edge — cfengine — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — cfengine — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.12.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — cfengine 3.12.2-r0 Related CVEs: CVE-2019-9929 Upstream summary: Alpine community repository for vedge ships cfengine 3.12.2-r0 which addresses CVE-2019-9929. Table of contents Symptom & Impact Environment […]

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Debian 9 — libexif — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — libexif — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 December 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9278 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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How to Sync Time with Chrony on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Sync Time with Chrony on RHEL 7

How to Sync Time with Chrony on RHEL 7 Accurate system time is critical for nearly every networked service on a Linux server. Log correlation, SSL certificate validation, Kerberos authentication, database replication, and distributed systems all depend on clocks that are closely synchronized across machines. Red Hat Enterprise Linux 7 ships with Chrony as the […]

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Ubuntu 14.04 — libtomcrypt — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libtomcrypt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 December 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4868-1 Related CVEs: CVE-2019-17362 Upstream summary: It was discovered that LibTomCrypt incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service or read […]

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Arch Linux — lib32-libpng — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lib32-libpng — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201701-5 Related CVEs: CVE-2016-10087 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.6.26-1. Fixed in: 1.6.27-1. Group: AVG-120. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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SLES 15 — python2-pywbem — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python2-pywbem — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:0580-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-6418 Upstream summary: PyWBEM 0.7 and earlier uses a separate connection to validate X.509 certificates, which allows man-in-the-middle attackers to spoof a peer via an […]

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