Linux

Ubuntu 16.04 — poppler — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — poppler — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 31, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 31 July 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7708-1 Related CVEs: CVE-2025-50420 CVE-2025-52886 CVE-2022-27337 CVE-2025-32364 CVE-2025-32365 CVE-2024-56378 CVE-2020-23804 CVE-2022-37050  +12 more Upstream summary: It was discovered that poppler incorrectly handled certain PDF files. An attacker could possibly use […]

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SLES 15 — libtiff5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libtiff5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 31, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 31 July 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2011:005 (see also SUSE bugzilla) Related CVEs: CVE-2011-0192 CVE-2015-7554 CVE-2016-9453 CVE-2025-61144 CVE-2009-2285 CVE-2009-2347 CVE-2010-2065 CVE-2010-2067  +12 more Upstream summary: Buffer overflow in Fax4Decode in LibTIFF 3.9.4 and possibly other versions, as used […]

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Red Hat Enterprise Linux 9 — qemu-img — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — qemu-img — vulnerability — patch and remediation guide

  • July 31, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:18772 Related CVEs: CVE-2025-11234 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Common Problems 124069

Oracle Linux 10 – multipathd fails to map SAN LUNs during boot – Fix & Prevention

  • July 30, 2025
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 30 July 2025 Affected versions: Oracle Linux 10 📖 ~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 […]

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How to Set Up NFS on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up NFS on CentOS Stream 10

  • July 30, 2025
  • CentOS
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Introduction Setting up set up nfs on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up NFS on CentOS Stream 10, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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Common Problems 124035

Oracle Linux 10 – NetworkManager drops static route after reboot

  • July 30, 2025
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 2025 Affected versions: Oracle Linux 10 📖 ~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 […]

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Ubuntu 24.04 — uriparser — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — uriparser — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • July 30, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7356-1 Related CVEs: CVE-2024-34402 CVE-2024-34403 Upstream summary: It was discovered that uriparser did not correctly handle certain inputs, which could lead to an integer overflow. An attacker could possibly use […]

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Amazon Linux 2023 — cifs-utils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — cifs-utils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • July 30, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2024-530 Related CVEs: CVE-2022-27239 CVE-2022-29869 CVE-2025-2312 Upstream summary: A stack-based buffer overflow issue was found in pifs-utils. Parsing the mount.cifs ip command-line argument can lead to local attackers gaining root […]

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SLES 12 — frr — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — frr — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • July 30, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 July 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0665-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-61103 CVE-2025-61104 CVE-2025-61106 CVE-2025-61107 CVE-2025-61099 CVE-2025-61100 CVE-2025-61101 CVE-2025-61102  +2 more Upstream summary: FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference […]

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Oracle Linux 8 — java-1.8.0-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-1.8.0-openjdk — vulnerability — patch and remediation guide (ELSA-2025-3845)

  • July 30, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 July 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-3845 Related CVEs: CVE-2025-30698 CVE-2025-21587 CVE-2025-30691 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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