September 2021 - Page 37 of 66

Common Problems 116136

High CPU from kworker and System Interrupt Storms

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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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FreeBSD 13 — linux-realplayer — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-realplayer — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: linux-realplayer — multiple vulnerabilities Related CVEs: CVE-2005-0611 CVE-2005-1277 CVE-2005-2922 CVE-2006-0323 CVE-2007-2263 CVE-2007-2264 CVE-2007-3410 CVE-2007-5081 Upstream summary: Secunia reports: Multiple vulnerabilities have been reported in RealPlayer/RealOne/HelixPlayer, which can be exploited by […]

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FreeBSD 13 — ngircd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ngircd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ngircd — format string vulnerability Related CVEs: CVE-2005-0199 CVE-2005-0226 Upstream summary: A No System Group security advisory reports that ngircd is vulnerable to a format string vulnerability in the Log_Resolver() […]

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Spring Security Role Based Access Authorization Example — step-by-step Security tutorial on Progressive Robot

Spring Security Role Based Access Authorization Example

URL: https://www.progressiverobot.com/spring-security-role-based-access-authorization-example/ Today we will look into spring security role based access and authorization example. However before reading this post, please go through my previous post about "[Spring 4 Security MVC Login Logout Example](/community/tutorials/spring-4-security-mvc-login-logout-example)" to get some basic knowledge about Spring 4 Security. Spring Security Role In this post, we will discuss how to define, […]

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FreeBSD 13 — apache22-itk-mpm — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache22-itk-mpm — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: apache22 — chunk header parsing defect Related CVEs: CVE-2012-0833 CVE-2012-2687 CVE-2012-3499 CVE-2012-4558 CVE-2013-1862 CVE-2013-1896 CVE-2013-5704 CVE-2013-6438  +5 more Upstream summary: Apache Foundation reports: CVE-2015-3183 core: Fix chunk header parsing defect. […]

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How to Install Apache2 on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Apache2 on FreeBSD 13

Introduction This guide explains how to Install Apache2 on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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Debian 11 — libitext-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libitext-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-37819 Upstream summary: PDF Labs pdftk-java v3.2.3 was discovered to contain an infinite loop via the component /text/pdf/PdfReader.java. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 10 — libxml-security-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libxml-security-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-40690 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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