Common Problems

Ubuntu 18.04 — python-oslo.utils — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-oslo.utils — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 August 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5369-1 Related CVEs: CVE-2022-0718 Upstream summary: It was discovered that oslo.utils incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. Table of contents Symptom […]

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Ubuntu 22.04 — opusfile — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — opusfile — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 August 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5937-1 Related CVEs: CVE-2022-47021 Upstream summary: It was discovered that Opusfile was not properly validating pointer arguments in some of its functions, which could lead to a NULL pointer dereference. […]

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Debian 11 — grub2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — grub2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-4128 CVE-2013-4577 CVE-2015-8370 CVE-2017-9763 CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310  +12 more Upstream summary: GNU GRand Unified Bootloader (GRUB) 2 1.97 only compares the submitted portion of a password with […]

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Oracle Linux 8 — frr — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — frr — security and stability fixes — required update (ELSA-2023-2801)

🟡 Medium   ⏱ 10–30 min  Last verified: 17 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2801 Related CVEs: CVE-2022-37032 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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Common Problems 121611

Debian 9 – Conflicting Time Services Cause Unstable Sync – Single Authority Model

🟡 Medium   ⏱ 5–30 min  Last verified: 17 August 2022 Affected versions: Debian 9 📖 ~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 120559

Debian 11 DNS Resolution Intermittently Fails

🟡 Medium   ⏱ 5–30 min  Last verified: 17 August 2022 Affected versions: Debian 11 📖 ~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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IBM AIX 7.3 — CVE-2022-22442 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2022-22442 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 17 August 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2022-22442, IBM Support Bulletin CVE: CVE-2022-22442 NVD summary: "IBM InfoSphere Information Server 11.7 could allow an authenticated user to access information restricted to users with elevated privileges due to improper access controls. […]

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Common Problems 117088

Ubuntu 22.04 LTS – filesystem remounted read-only after I/O errors – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 17 August 2022 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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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FreeBSD 13 — bacula-web — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — bacula-web — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 August 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Bacula-Web — Multiple Vulnerabilities Related CVEs: CVE-2021-26119 CVE-2021-26120 Upstream summary: Bacula-Web reports: Address Smarty CVE Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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