Linux

Red Hat Enterprise Linux 9 — systemd — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — systemd — vulnerability — patch and remediation guide

🟡 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-2026:19213 Related CVEs: CVE-2026-29111 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

Read more
SLES 16 — python313-black — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — python313-black — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:20928-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-31900 CVE-2024-21503 CVE-2026-32274 Upstream summary: Black is the uncompromising Python code formatter. Black provides a GitHub action for formatting code. This action supports an option, […]

Read more
Alpine Linux 3.19 — postgresql16 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — postgresql16 — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 16.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — postgresql16 16.9-r0 Related CVEs: CVE-2025-4207 CVE-2025-1094 CVE-2024-10976 CVE-2024-10977 CVE-2024-10978 CVE-2024-10979 CVE-2024-7348 CVE-2024-0985  +8 more Upstream summary: Alpine main repository for vv3.19 ships postgresql16 16.9-r0 which […]

Read more
Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50060)

🟠 High   ⏱ 15–60 min  Last verified: 7 July 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50060 Related CVEs: CVE-2025-40248 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
SLES 16 — valkey — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — valkey — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 7 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:19237 (see also SUSE bugzilla) Related CVEs: CVE-2025-46817 CVE-2025-46818 CVE-2025-46819 CVE-2025-49844 CVE-2024-31449 CVE-2024-46981 CVE-2025-21605 CVE-2025-32023  +6 more Upstream summary: Redis is an open source, in-memory database that persists on disk. Versions 8.2.1 […]

Read more
Red Hat Enterprise Linux 8 — giflib — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 8 — giflib — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 8 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:8887 Related CVEs: CVE-2026-23868 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

Read more
Common Problems 115932

Ubuntu 26.04 LTS – netplan apply does not update DNS settings – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 7 July 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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 […]

Read more
AlmaLinux 10 — binutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — binutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:23306 Related CVEs: CVE-2025-11082 CVE-2025-11083 CVE-2025-5244 Upstream summary: The binutils packages provide a collection of binary utilities for the manipulation of object code in various object file formats. It includes the ar, […]

Read more
Debian 13 — nip2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — nip2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 July 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-17514 Upstream summary: boxes.c in nip2 8.4.0 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection […]

Read more
CHAT