Linux

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-2022-9609)

🟠 High   ⏱ 15–60 min  Last verified: 24 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9609 Related CVEs: CVE-2022-21505 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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Debian 11 — libcdio — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcdio — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1476 CVE-2007-6613 CVE-2017-18198 CVE-2017-18199 CVE-2017-18201 Upstream summary: Stack-based buffer overflow in the VideoCD (VCD) code in xine-lib 1-rc2 through 1-rc5, as derived from libcdio, allows attackers to execute […]

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Oracle Linux 8 — go-toolset:ol8 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — go-toolset:ol8 — security and stability fixes — required update (ELSA-2022-5775)

🟠 High   ⏱ 15–60 min  Last verified: 23 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5775 Related CVEs: CVE-2022-1705 CVE-2022-32148 CVE-2022-30631 CVE-2022-30635 CVE-2022-30630 CVE-2022-30632 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 120549

Debian 11 Memory Pressure Triggers OOM Kills

🔴 Critical   ⏱ 5–30 min  Last verified: 23 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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Debian 11 — sendmail — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sendmail — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-0906 CVE-2002-1165 CVE-2002-1337 CVE-2002-1827 CVE-2002-2261 CVE-2003-0161 CVE-2003-0308 CVE-2003-0681  +11 more Upstream summary: Buffer overflow in Sendmail before 8.12.5, when configured to use a custom DNS map to query […]

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Debian 11 — django-markupfield — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — django-markupfield — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0846 Upstream summary: django-markupfield before 1.3.2 uses the default docutils RESTRUCTUREDTEXT_FILTER_SETTINGS settings, which allows remote attackers to include and read arbitrary files via unspecified vectors. Table of contents […]

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Common Problems 116925

Ubuntu 22.04 LTS – Netplan apply fails from invalid YAML – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 August 2022 Affected versions: Ubuntu 22.04 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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Debian 11 — spice-vdagent — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — spice-vdagent — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-15108 CVE-2020-25650 CVE-2020-25651 CVE-2020-25652 CVE-2020-25653 Upstream summary: spice-vdagent up to and including 0.17.0 does not properly escape save directory before passing to shell, allowing local attacker with access […]

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