Linux

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

Oracle Linux 10 — kernel — vulnerability — patch and remediation guide (ELSA-2026-4012)

🟠 High   ⏱ 15–60 min  Last verified: 22 February 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-4012 Related CVEs: CVE-2025-38106 CVE-2025-38141 CVE-2025-38703 CVE-2025-39760 CVE-2025-39818 CVE-2025-40249 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Fedora 42 — nginx-mod-modsecurity — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — nginx-mod-modsecurity — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-38623b4fed Related CVEs: CVE-2026-42926 CVE-2026-42945 CVE-2026-42946 CVE-2026-42934 CVE-2026-40460 CVE-2026-40701 Upstream summary: nginx-mod-vts: – Rebuild for 1.30.1 nginx-mod-fancyindex: – Rebuild for 1.30.1 nginx-mod-naxsi: – Rebuild for 1.30.1 nginx-mod-headers-more: – Rebuild for 1.30.1 nginx-mod-brotli: […]

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Oracle Linux 9 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2025-19105)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 February 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-19105 Related CVEs: CVE-2023-53331 CVE-2025-39718 CVE-2025-39730 CVE-2025-39751 CVE-2025-39819 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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CentOS Stream 9 — aide — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — aide — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 February 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:14493 Related CVEs: CVE-2025-54389 Upstream summary: Advanced Intrusion Detection Environment (AIDE) is a utility that creates a database of files on the system, and then uses that database to ensure file […]

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SLES 15 — gstreamer-plugins-good — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — gstreamer-plugins-good — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 February 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2024:11122 (see also SUSE bugzilla) Related CVEs: CVE-2024-47540 CVE-2024-47537 CVE-2024-47539 CVE-2025-47183 CVE-2025-47219 CVE-2024-47530 CVE-2024-47543 CVE-2024-47545  +12 more Upstream summary: GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack […]

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Rocky Linux 8 — pg_repack — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — pg_repack — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:4063 Related CVEs: CVE-2026-2003 CVE-2026-2004 CVE-2026-2005 CVE-2026-2006 CVE-2023-39417 CVE-2023-39418 CVE-2023-5868 CVE-2023-5869  +5 more Upstream summary: PostgreSQL is an advanced object-relational database management system (DBMS). Security Fix(es): * postgresql: PostgreSQL missing […]

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SLES 16 — libbpf1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libbpf1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 February 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:0405-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-3534 CVE-2021-45940 CVE-2021-45941 CVE-2022-3533 CVE-2022-3606 Upstream summary: A vulnerability classified as critical has been found in Linux Kernel. Affected is the function btf_dump_name_dups of the […]

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SLES 16 — dovecot24 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — dovecot24 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 February 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1641-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-27856 CVE-2025-59032 CVE-2026-24031 CVE-2026-27858 CVE-2017-14461 CVE-2019-11500 CVE-2019-3814 CVE-2020-10957  +12 more Upstream summary: Doveadm credentials are verified using direct comparison which is susceptible to timing oracle […]

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Common Problems 113999

RHEL 10 – SSH public key login denied by SELinux context mismatch – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 February 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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Common Problems 124054

Oracle Linux 10 – SELinux file contexts reset incorrectly on mounted volume – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 21 February 2026 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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