Linux

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

Oracle Linux 9 — microcode_ctl — vulnerability — patch and remediation guide (ELSA-2023-12724)

🟡 Medium   ⏱ 10–30 min  Last verified: 6 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12724 Related CVEs: CVE-2022-40982 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 9 — sssd — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — sssd — security and stability fixes — required update (ELSA-2024-2571)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2571 Related CVEs: CVE-2023-3758 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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Amazon Linux 2023 — ncurses — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — ncurses — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-220 Related CVEs: CVE-2023-29491 CVE-2023-45918 CVE-2023-50495 CVE-2021-39537 CVE-2022-29458 Upstream summary: ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed […]

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Debian 11 — c-ares — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — c-ares — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 April 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-5180 CVE-2017-1000381 CVE-2020-14354 CVE-2020-22217 CVE-2020-8277 CVE-2021-3672 CVE-2022-4904 CVE-2023-31124  +4 more Upstream summary: Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to […]

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Ubuntu 14.04 — klibc — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — klibc — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 April 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7959-1 Related CVEs: CVE-2016-9843 CVE-2016-9840 CVE-2016-9841 CVE-2018-25032 CVE-2022-37434 CVE-2021-31870 CVE-2021-31871 CVE-2021-31872  +1 more Upstream summary: It was discovered that zlib, vendored in klibc, did not properly handle integer arithmetic. An […]

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Ubuntu 16.04 — nodejs — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — nodejs — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 April 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6735-1 Related CVEs: CVE-2023-30588 CVE-2023-30589 CVE-2023-30590 CVE-2019-15604 CVE-2019-15605 CVE-2019-15606 CVE-2020-8174 CVE-2020-8265  +10 more Upstream summary: It was discovered that Node.js incorrectly handled the use of invalid public keys while creating […]

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Alpine Linux edge — lua5.4 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — lua5.4 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 5.4.4-r4 📖 ~4 min read  •  Source: Alpine secdb entry — lua5.4 5.4.4-r4 Related CVEs: CVE-2022-28805 CVE-2019-6706 Upstream summary: Alpine main repository for vedge ships lua5.4 5.4.4-r4 which addresses CVE-2022-28805. Table of contents Symptom & Impact […]

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Ubuntu 14.04 — zabbix — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — zabbix — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 April 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6751-1 Related CVEs: CVE-2022-35229 CVE-2022-35230 CVE-2014-3005 CVE-2016-10134 CVE-2016-10742 CVE-2016-4338 CVE-2017-2824 CVE-2017-2825  +3 more Upstream summary: It was discovered that Zabbix incorrectly handled input data in the discovery and graphs pages. […]

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