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

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

🟠 High   ⏱ 15–60 min  Last verified: 27 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-4974 CVE-2009-0186 CVE-2009-1788 CVE-2009-1791 CVE-2009-4835 CVE-2011-2696 CVE-2014-9496 CVE-2014-9756  +12 more Upstream summary: Heap-based buffer overflow in the flac_buffer_copy function in libsndfile 1.0.17 and earlier might allow remote attackers […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 27 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0967 CVE-2003-0968 CVE-2004-0938 CVE-2004-0960 CVE-2004-0961 CVE-2005-1454 CVE-2005-1455 CVE-2005-4744  +12 more Upstream summary: rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) […]

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Ubuntu 20.04 — gzip — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gzip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 May 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5378-1 Related CVEs: CVE-2022-1271 Upstream summary: Cleemy Desu Wayo discovered that Gzip incorrectly handled certain filenames. If a user or automated system were tricked into performing zgrep operations with specially […]

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openSUSE Tumbleweed — python36-pikepdf — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-pikepdf — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-29421 Upstream summary: models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries. Table of contents Symptom & […]

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Gentoo Linux — app-emulation/open-vm-tools — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-emulation/open-vm-tools — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202210-27 Related CVEs: CVE-2022-31676 Upstream summary: A pipe accessible to unprivileged users in the VMWare guest does not sufficiently sanitize input. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — qemu-user-static — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — qemu-user-static — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: qemu — denial of service vulnerability in Rocker switch emulation Related CVEs: CVE-2015-3214 CVE-2015-5154 CVE-2015-5158 CVE-2015-5165 CVE-2015-5166 CVE-2015-5225 CVE-2015-5239 CVE-2015-5278  +12 more Upstream summary: Prasad J Pandit, Red Hat Product […]

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How to Configure SNMP with net-snmp on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure SNMP with net-snmp on RHEL 8

SNMP (Simple Network Management Protocol) is the foundation of most enterprise network monitoring stacks. While SNMPv1 and v2c rely on community strings that travel in plaintext, SNMPv3 adds authentication and encryption, making it suitable for production environments where security matters. On RHEL 8 the net-snmp package provides both the agent daemon (snmpd) and a rich […]

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

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-7077)

🟠 High   ⏱ 15–60 min  Last verified: 26 May 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7077 Related CVEs: CVE-2021-43975 CVE-2022-28388 CVE-2022-3594 CVE-2022-3640 CVE-2022-38457 CVE-2022-40133 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 115069

RHEL 8 – tuned Profile Selection Causes High I/O Wait

🟡 Medium   ⏱ 5–30 min  Last verified: 26 May 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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