Package Management

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

Debian 11 — tcptraceroute — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0489 Upstream summary: tcptraceroute 1.4 and earlier does not fully drop privileges after obtaining a file descriptor for capturing packets, which may allow local users to gain access […]

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

Debian 11 — ntirpc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-8779 Upstream summary: rpcbind through 0.2.4, LIBTIRPC through 1.0.1 and 1.0.2-rc through 1.0.2-rc3, and NTIRPC through 1.4.3 do not consider the maximum RPC data size during memory allocation […]

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How to Install k3s Kubernetes on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install k3s Kubernetes on FreeBSD 13

Introduction How to Install k3s Kubernetes on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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Common Problems 115533

RHEL 7 – Yum Hangs Behind Proxy with SSL Inspection

🟡 Medium   ⏱ 5–30 min  Last verified: 26 January 2022 📖 ~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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Alpine Linux edge — openrazer — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — openrazer — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.5.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — openrazer 3.5.1-r0 Related CVEs: CVE-2022-23467 CVE-2022-29021 CVE-2022-29022 CVE-2022-29023 Upstream summary: Alpine community repository for vedge ships openrazer 3.5.1-r0 which addresses CVE-2022-23467. Table of contents Symptom […]

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

Debian 11 — picocom — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-9059 Upstream summary: picocom before 2.0 has a command injection vulnerability in the 'send and receive file' command because the command line is executed by /bin/sh unsafely. Table […]

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Debian 11 — golang-github-emicklei-go-restful — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-github-emicklei-go-restful — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-1996 Upstream summary: Authorization Bypass Through User-Controlled Key in GitHub repository emicklei/go-restful prior to v3.8.0. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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SLES 12 — xscreensaver — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — xscreensaver — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 January 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:2641-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-34557 CVE-2015-8025 Upstream summary: XScreenSaver 5.45 can be bypassed if the machine has more than ten disconnectable video outputs. A buffer overflow in update_screen_layout() allows […]

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How to Install Jupyter Notebook on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Jupyter Notebook on RHEL 8

Jupyter Notebook is an interactive computing environment that lets you combine live code, equations, visualizations, and narrative text in a single document. On RHEL 8, the recommended approach is to install Jupyter inside a Python virtual environment to keep the system Python clean. This tutorial covers installation, password protection, systemd service setup, and configuring Nginx […]

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SLES 15 — rust1.65 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — rust1.65 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 January 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:205-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-46176 Upstream summary: Cargo is a Rust package manager. The Rust Security Response WG was notified that Cargo did not perform SSH host key verification […]

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