Linux

AlmaLinux 9 — libtasn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — libtasn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:7077 Related CVEs: CVE-2024-12133 CVE-2021-46848 Upstream summary: A library that provides Abstract Syntax Notation One (ASN.1, as specified by the X.680 ITU-T recommendation) parsing and structures management, and Distinguished Encoding Rules (DER, […]

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Oracle Linux 8 — xorg-x11-server — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — xorg-x11-server — vulnerability — patch and remediation guide (ELSA-2024-2995)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 November 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2995 Related CVEs: CVE-2023-5380 CVE-2024-0409 CVE-2024-21885 CVE-2023-6377 CVE-2023-6478 CVE-2024-21886 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 9 — python-idna — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python-idna — vulnerability — patch and remediation guide (ELSA-2024-3846)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 November 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3846 Related CVEs: CVE-2024-3651 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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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-2024-12830)

🟠 High   ⏱ 15–60 min  Last verified: 27 November 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12830 Related CVEs: CVE-2024-26734 CVE-2024-27397 CVE-2024-35801 CVE-2024-42292 CVE-2024-47674 CVE-2024-42269 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Alpine Linux 3.20 — grpc — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — grpc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.59.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — grpc 1.59.3-r0 Related CVEs: CVE-2023-44487 Upstream summary: Alpine community repository for vv3.20 ships grpc 1.59.3-r0 which addresses CVE-2023-44487. Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — python3.11-urllib3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python3.11-urllib3 — vulnerability — patch and remediation guide (ELSA-2024-8843)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 November 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-8843 Related CVEs: CVE-2024-37891 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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SLES 12 — booth — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — booth — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 November 2024 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:2040-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-3049 CVE-2022-2553 Upstream summary: A flaw was found in Booth, a cluster ticket manager. If a specially-crafted hash is passed to gcry_md_get_algo_dlen(), it may allow […]

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Common Problems 120063

Debian 12 – sudo reports temporary failure resolving host

🟡 Medium   ⏱ 5–30 min  Last verified: 26 November 2024 Affected versions: Debian 12 📖 ~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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Common Problems 114443

RHEL 9 SSH access fails after hardening changes

🟡 Medium   ⏱ 5–30 min  Last verified: 26 November 2024 📖 ~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 & Cross-Refs References & Further […]

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Common Problems 116547

Ubuntu 24.04 LTS – root filesystem full due to journal growth – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 26 November 2024 Affected versions: Ubuntu 24.04 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 […]

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