Operations

Common Problems 111736

Windows Server 2022 – NPS rejects RADIUS requests with invalid authenticator – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 October 2022 Affected versions: Windows Server 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 […]

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

Debian 11 — pipewire — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-4964 Upstream summary: Ubuntu's pipewire-pulse in snap grants microphone access even when the snap interface for audio-record is not set. Table of contents Symptom & Impact Environment & […]

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Debian 11 — mplayer — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mplayer — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0386 CVE-2004-0433 CVE-2004-1309 CVE-2004-1310 CVE-2004-1311 CVE-2006-4800 CVE-2006-6172 CVE-2007-1246  +12 more Upstream summary: Buffer overflow in the HTTP parser for MPlayer 1.0pre3 and earlier, 0.90, and 0.91 allows remote […]

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SLES 12 — libvirglrenderer0 — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libvirglrenderer0 — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 October 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:0016-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-18389 CVE-2019-18391 CVE-2022-0135 CVE-2019-18388 CVE-2019-18390 CVE-2022-0175 CVE-2016-10214 CVE-2017-5580  +11 more Upstream summary: A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through […]

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AlmaLinux 9 — libtirpc — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — libtirpc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:8400 Related CVEs: CVE-2021-46828 Upstream summary: The libtirpc packages contain SunLib's implementation of transport-independent remote procedure call (TI-RPC) documentation, which includes a library required by programs in the nfs-utils and rpcbind packages. […]

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How to Install Python 3.5 on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Python 3.5 on Debian 9

Introduction Deploying install python 3.5 on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian 9 […]

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Oracle Linux 8 — libarchive — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libarchive — vulnerability — patch and remediation guide (ELSA-2023-3018)

🟢 Low   ⏱ 5–15 min  Last verified: 30 October 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3018 Related CVEs: CVE-2022-36227 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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Oracle Linux 9 — lua — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — lua — vulnerability — patch and remediation guide (ELSA-2022-7329)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 October 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7329 Related CVEs: CVE-2022-33099 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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IBM AIX 7.3 — CVE-2020-4494 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2020-4494 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 30 October 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2020-4494, IBM Support Bulletin CVE: CVE-2020-4494 NVD summary: IBM Spectrum Protect Client 8.1.7.0 through 8.1.9.1 (Linux and Windows), 8.1.9.0 trough 8.1.9.1 (AIX) and IBM Spectrum Protect for Space Management 8.1.7.0 through 8.1.9.1 […]

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SLES 15 — kernel-docs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — kernel-docs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 30 October 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2011:019 (see also SUSE bugzilla) Related CVEs: CVE-2011-1180 CVE-2022-2991 CVE-2021-39713 CVE-2020-0433 CVE-2021-0935 CVE-2021-23133 CVE-2018-25020 CVE-2020-0429  +12 more Upstream summary: Multiple stack-based buffer overflows in the iriap_getvaluebyclass_indication function in net/irda/iriap.c in the Linux […]

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