Common Problems

Debian 11 — ruby-kaminari — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-kaminari — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-11082 Upstream summary: In Kaminari before 1.2.1, there is a vulnerability that would allow an attacker to inject arbitrary code into pages with pagination links. This has been […]

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Common Problems 115099

RHEL 8 – rsyslog Forwarding Stops Sending to SIEM

🟡 Medium   ⏱ 5–30 min  Last verified: 10 November 2021 📖 ~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 — lm-sensors — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lm-sensors — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2672 Upstream summary: pwmconfig in LM_sensors before 2.9.1 creates temporary files insecurely, which allows local users to overwrite arbitrary files via a symlink attack on the fancontrol temporary […]

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Common Problems 112998

Windows Server 2016 – NDIS lightweight filter drops packets after policy push – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 November 2021 Affected versions: Windows Server 2016 📖 ~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 — abcm2ps — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — abcm2ps — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1258 CVE-2010-3441 CVE-2010-4743 CVE-2010-4744 CVE-2018-10753 CVE-2018-10771 CVE-2019-1010069 CVE-2021-32434  +2 more Upstream summary: Buffer overflow in the put_words function in subs.c for abcm2ps 3.7.20 allows remote attackers to execute […]

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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-2021-9560)

🟡 Medium   ⏱ 10–30 min  Last verified: 10 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9560 Related CVEs: CVE-2021-27645 CVE-2021-35942 CVE-2021-33574 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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Oracle Linux 8 — flatpak — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — flatpak — vulnerability — patch and remediation guide (ELSA-2021-4042)

🟠 High   ⏱ 15–60 min  Last verified: 10 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4042 Related CVEs: CVE-2021-41133 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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AlmaLinux 8 — alsa-lib — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — alsa-lib — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1906 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Oracle Linux 8 — mutt security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mutt security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-4181)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4181 Related CVEs: CVE-2020-28896 CVE-2021-3181 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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AlmaLinux 8 — icu4j — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — icu4j — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:5097 Upstream summary: Eclipse is an integrated development environment (IDE). The metadata for the eclipse:rhel8 module has been updated to remove the following unused profiles: c everything To check whether you have […]

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