April 2022 - Page 52 of 69

Common Problems 120672

Debian 11 – KVM Bridge Networking Stops Passing Traffic – Host Bridge Repair

🟠 High   ⏱ 5–30 min  Last verified: 8 April 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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Initial Server Setup with SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

Initial Server Setup with SLES 12

Introduction This tutorial covers Initial Server Setup with SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites A fresh SLES 12 installation with root or sudo access is required. Ensure […]

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Gentoo Linux — media-libs/libsndfile — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/libsndfile — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202309-11 Related CVEs: CVE-2021-3246 CVE-2021-4156 CVE-2017-14245 CVE-2017-14246 CVE-2019-3832 Upstream summary: Multiple vulnerabilities have been discovered in libsndfile. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

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Debian 11 — gst-plugins-bad1.0 — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gst-plugins-bad1.0 — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9445 CVE-2016-9446 CVE-2016-9809 CVE-2016-9812 CVE-2016-9813 CVE-2017-5843 CVE-2017-5848 CVE-2021-3185  +10 more Upstream summary: Integer overflow in the vmnc decoder in the gstreamer allows remote attackers to cause a denial […]

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Debian 11 — stalin — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — stalin — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8697 Upstream summary: stalin 0.11-5 allows local users to write to arbitrary files. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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CentOS Stream 9 — protobuf-c — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — protobuf-c — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 April 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:6621 Related CVEs: CVE-2022-48468 Upstream summary: The protobuf-c packages provide C bindings for Google's Protocol Buffers. Security Fix(es): * protobuf-c: unsigned integer overflow in parse_required_member (CVE-2022-48468) For more details about the […]

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CentOS Stream 9 — gcc-toolset-14-gcc — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — gcc-toolset-14-gcc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 April 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:1300 Related CVEs: CVE-2020-11023 Upstream summary: The gcc-toolset-14-gcc13 package contains the GNU Compiler Collection version 14. Security Fix(es): * jquery: Untrusted code execution via <option> tag in HTML passed to DOM […]

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Common Problems 113070

Windows Server 2016 — RDP unreachable because TCP 3389 is blocked by firewall policy — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 April 2022 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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How to Install Node.js 18 LTS on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Node.js 18 LTS on Debian 11

Introduction How to Install Node.js 18 LTS on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. […]

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SLES 12 — rpm — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — rpm — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 April 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-8118 CVE-2017-7500 CVE-2017-7501 CVE-2021-3421 CVE-2013-6435 CVE-2021-20266 CVE-2021-20271 Upstream summary: Integer overflow in RPM 4.12 and earlier allows remote attackers to execute arbitrary code via a […]

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