Package Management

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-2022-9365)

  • November 23, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 23 November 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9365 Related CVEs: CVE-2022-27666 CVE-2020-24504 CVE-2021-45095 CVE-2022-1158 CVE-2020-24502 CVE-2020-24503 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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SLES 12 — php72 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — php72 — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • November 23, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 23 November 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:2161-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-31625 CVE-2022-31626 CVE-2020-36193 CVE-2020-7069 CVE-2021-21702 CVE-2021-21704 CVE-2022-31628 CVE-2022-31629  +7 more Upstream summary: In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, […]

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How to Build Grafana Dashboards for Linux Server Metrics on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Build Grafana Dashboards for Linux Server Metrics on RHEL 9

  • November 23, 2022
  • Linux
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Grafana’s dashboard builder lets you turn raw Prometheus metrics into intuitive visualizations — stat panels for at-a-glance health, time series for trends, and bar gauges for comparisons. With Prometheus and Node Exporter already collecting Linux host metrics, you have everything needed to build a production-grade server dashboard. This tutorial walks through creating panels for CPU, […]

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Debian 11 — mailman3 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mailman3 — vulnerability — patch and remediation guide

  • November 22, 2022
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 22 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-34337 Upstream summary: An issue was discovered in Mailman Core before 3.3.5. An attacker with access to the REST API could use timing attacks to determine the value […]

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How to Configure Bootlist on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure Bootlist on IBM AIX 7.3

  • November 22, 2022
  • IBM AIX
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Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure bootlist on IBM AIX 7.3 with practical examples […]

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Debian 11 — virglrenderer — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — virglrenderer — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • November 22, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 22 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10163 CVE-2016-10214 CVE-2017-5580 CVE-2017-5937 CVE-2017-5956 CVE-2017-5957 CVE-2017-5993 CVE-2017-5994  +12 more Upstream summary: Memory leak in the vrend_renderer_context_create_internal function in vrend_decode.c in virglrenderer before 0.6.0 allows local guest OS […]

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Debian 11 — node-ssri — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-ssri — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • November 22, 2022
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 22 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-7651 CVE-2021-27290 Upstream summary: index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via […]

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Gentoo Linux — app-crypt/heimdal — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-crypt/heimdal — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • November 22, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202310-06 Related CVEs: CVE-2019-14870 CVE-2021-44758 CVE-2022-3437 CVE-2022-3671 CVE-2022-41916 CVE-2022-42898 CVE-2022-44640 CVE-2022-44758  +1 more Upstream summary: Multiple vulnerabilities have been discovered in Heimdal, the worst of which could lead to remote code execution […]

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

Debian 11 — ibutils — vulnerability — patch and remediation guide

  • November 22, 2022
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 22 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2561 Upstream summary: OpenFabrics ibutils 1.5.7 allows local users to overwrite arbitrary files via a symlink attack on (1) ibdiagnet.db, (2) ibdiagnet.fdbs, (3) ibdiagnet_ibis.log, (4) ibdiagnet.log, (5) ibdiagnet.lst, […]

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SLES 15 — hwloc-data — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — hwloc-data — vulnerability — patch and remediation guide

  • November 22, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 22 November 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2022-47022 Upstream summary: An issue was discovered in open-mpi hwloc 2.1.0 allows attackers to cause a denial of service or other unspecified impacts via glibc-cpuset in topology-linux.c. Table of […]

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