Common Problems

Gentoo Linux — app-admin/salt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-admin/salt — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202310-22 Related CVEs: CVE-2020-28243 CVE-2020-28972 CVE-2020-35662 CVE-2021-3144 CVE-2021-3148 CVE-2021-3197 CVE-2021-21996 CVE-2021-25281  +12 more Upstream summary: Multiple vulnerabilities have been discovered in Salt. Please review the CVE identifiers referenced below for details. Table […]

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

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2020-1372)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1372 Related CVEs: CVE-2019-18660 CVE-2019-15030 CVE-2019-15031 CVE-2019-19527 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 118973

Ubuntu 14.04 LTS kernel panic not syncing at startup

🟡 Medium   ⏱ 5–30 min  Last verified: 27 April 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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Common Problems 118549

Ubuntu 16.04 LTS Interrupted Upgrade Leaves dpkg Broken

🟠 High   ⏱ 5–30 min  Last verified: 27 April 2021 Affected versions: 16.04 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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FreeBSD 13 — py39-rencode — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py39-rencode — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py39-rencode — infinite loop that could lead to Denial of Service Related CVEs: CVE-2021-40839 Upstream summary: NIST reports: The rencode package through 1.0.6 for Python allows an infinite loop in […]

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Ubuntu 16.04 — freeimage — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — freeimage — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 April 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6586-1 Related CVEs: CVE-2019-12211 CVE-2019-12213 CVE-2020-21427 CVE-2020-21428 CVE-2020-22524 CVE-2016-5684 Upstream summary: It was discovered that FreeImage incorrectly handled certain memory operations. If a user were tricked into opening a crafted […]

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Common Problems 117627

Ubuntu 20.04 LTS – rsyslog forwarding stops after remote TLS policy update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 April 2021 Affected versions: Ubuntu 20.04 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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Ubuntu 18.04 — weechat — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — weechat — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 April 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5258-1 Related CVEs: CVE-2017-14727 CVE-2020-8955 CVE-2020-9759 CVE-2020-9760 CVE-2021-40516 Upstream summary: Stuart Nevans Locke discovered that WeeChat's relay plugin insecurely handled malformed websocket frames. A remote attacker in control of a […]

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openSUSE Tumbleweed — ant — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ant — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:712-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-36373 CVE-2021-36374 CVE-2013-1571 CVE-2018-10886 CVE-2020-11979 CVE-2020-1945 Upstream summary: When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large […]

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SLES 15 — perl-Net-CIDR-Lite — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — perl-Net-CIDR-Lite — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 April 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:1256-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-47154 Upstream summary: The Net::CIDR::Lite module before 0.22 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, […]

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