Linux

Ubuntu 22.04 — nova — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — nova — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • April 25, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 April 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8049-1 Related CVEs: CVE-2026-24708 CVE-2024-40767 CVE-2024-32498 CVE-2023-2088 https://launchpad.net/bugs/2020111 CVE-2022-47951 Upstream summary: Dan Smith discovered that Nova incorrectly called qemu-img without a format restriction when resizing disks. An attacker could possibly […]

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How to Install Go and Build CLI Tools on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Go and Build CLI Tools on RHEL 9

  • April 25, 2026
  • Linux
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Go is a statically typed, compiled language from Google that excels at building fast, reliable command-line tools and network services. On RHEL 9, the system repositories may not carry the latest Go release, so installing from the official tarball is the recommended approach. This tutorial walks through downloading Go 1.22+, configuring the environment system-wide, and […]

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Ubuntu 22.04 — libyaml-syck-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libyaml-syck-perl — vulnerability — patch and remediation guide

  • April 25, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 April 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7844-1 Related CVEs: CVE-2025-11683 Upstream summary: It was discovered that YAML::Syck did not properly handle parsing YAML files. An attacker could possibly use this issue to expose sensitive information. Table […]

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Ubuntu 24.04 — zulucrypt — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — zulucrypt — vulnerability — patch and remediation guide

  • April 25, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 April 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8218-1 Related CVEs: CVE-2025-53391 Upstream summary: Aaron Rainbolt discovered that zuluCrypt used insecure PolicyKit settings in zuluPolkit. An attacker could possibly use this issue to cause local privilege escalation to […]

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SLES 16 — libXdmcp6 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libXdmcp6 — vulnerability — patch and remediation guide

  • April 25, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 April 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:1862-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-2625 Upstream summary: It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a […]

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Oracle Linux 10 — vim — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — vim — vulnerability — patch and remediation guide (ELSA-2026-7711)

  • April 25, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 April 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-7711 Related CVEs: CVE-2026-28417 CVE-2026-28421 CVE-2026-33412 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Oracle Linux 8 — fence-agents — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — fence-agents — vulnerability — patch and remediation guide (ELSA-2026-1240)

  • April 25, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 April 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-1240 Related CVEs: CVE-2025-66418 CVE-2025-66471 CVE-2026-21441 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Oracle Linux 8 — glib2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — glib2 — vulnerability — patch and remediation guide (ELSA-2025-11327)

  • April 25, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 April 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-11327 Related CVEs: CVE-2024-34397 CVE-2025-4373 CVE-2024-52533 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Oracle Linux 10 — skopeo — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — skopeo — vulnerability — patch and remediation guide (ELSA-2026-3343)

  • April 25, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 April 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-3343 Related CVEs: CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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