Linux

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

Oracle Linux 8 — istio — vulnerability — patch and remediation guide (ELSA-2023-12014)

🟠 High   ⏱ 15–60 min  Last verified: 21 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12014 Related CVEs: CVE-2022-39278 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 — glibc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — glibc — vulnerability — patch and remediation guide (ELSA-2023-12872)

🟠 High   ⏱ 15–60 min  Last verified: 21 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12872 Related CVEs: CVE-2023-4813 CVE-2023-4806 CVE-2023-4527 CVE-2023-4911 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Common Problems 116980

Ubuntu 22.04 LTS Docker Pull Fails with x509 Certificate Signed by Unknown Authority

🟡 Medium   ⏱ 5–30 min  Last verified: 20 January 2023 📖 ~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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Debian 11 — libcpan-checksums-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcpan-checksums-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-16155 Upstream summary: The CPAN::Checksums package 2.12 for Perl does not uniquely define signed data. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Alpine Linux edge — nebula — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — nebula — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.8.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — nebula 1.8.1-r0 Related CVEs: CVE-2023-48795 Upstream summary: Alpine community repository for vedge ships nebula 1.8.1-r0 which addresses CVE-2023-48795. Table of contents Symptom & Impact Environment […]

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Debian 11 — node-growl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-growl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-16042 Upstream summary: Growl adds growl notification support to nodejs. Growl before 1.10.2 does not properly sanitize input before passing it to exec, allowing for arbitrary command execution. […]

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Ubuntu 18.04 — graphviz — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — graphviz — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 January 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6708-1 Related CVEs: CVE-2023-46045 CVE-2018-10196 CVE-2019-11023 CVE-2020-18032 Upstream summary: It was discovered that Graphviz incorrectly handled certain config6a files. An attacker could possibly use this issue to cause a denial […]

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

Oracle Linux 9 — pcs — vulnerability — patch and remediation guide (ELSA-2023-12150)

🟡 Medium   ⏱ 10–30 min  Last verified: 20 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12150 Related CVEs: CVE-2022-45442 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 — xmlrpc-c — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — xmlrpc-c — vulnerability — patch and remediation guide (ELSA-2022-1643)

🟠 High   ⏱ 15–60 min  Last verified: 20 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1643 Related CVEs: CVE-2022-25235 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 — bind and dhcp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — bind and dhcp — vulnerability — patch and remediation guide (ELSA-2024-1782)

🟠 High   ⏱ 15–60 min  Last verified: 20 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1782 Related CVEs: CVE-2023-50387 CVE-2023-50868 CVE-2023-4408 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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