Linux

AlmaLinux 10 — freeipmi — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — freeipmi — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:13515 Related CVEs: CVE-2026-33554 Upstream summary: The freeipmi packages contain an Intelligent Platform Management Interface (IPMI) remote console and system management software based on the IPMI specification. Security Fix(es): * freeipmi: buffer […]

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Common Problems 115976

Ubuntu 26.04 LTS – Docker service fails to start after daemon.json edit – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 29 July 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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 13 — node-opencv — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-opencv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 July 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-10061 Upstream summary: utils/find-opencv.js in node-opencv (aka OpenCV bindings for Node.js) prior to 6.1.0 is vulnerable to Command Injection. It does not validate user input allowing attackers to execute […]

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How to Tune Linux Kernel Parameters with sysctl on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Tune Linux Kernel Parameters with sysctl on RHEL 9

The Linux kernel exposes hundreds of tunable parameters through the sysctl interface, allowing system administrators to optimize network throughput, memory management, and file descriptor limits without recompiling the kernel. On RHEL 9, these tunables persist across reboots when placed in drop-in configuration files under /etc/sysctl.d/. Proper kernel tuning can dramatically reduce latency and increase throughput […]

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Alpine Linux 3.20 — perl-compress-raw-zlib — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — perl-compress-raw-zlib — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.222-r0 📖 ~4 min read  •  Source: Alpine secdb entry — perl-compress-raw-zlib 2.222-r0 Related CVEs: CVE-2026-3381 Upstream summary: Alpine main repository for vv3.20 ships perl-compress-raw-zlib 2.222-r0 which addresses CVE-2026-3381. Table of contents Symptom & Impact Environment […]

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Debian 13 — node-fresh — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-fresh — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 July 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-16119 Upstream summary: Fresh is a module used by the Express.js framework for HTTP response freshness testing. It is vulnerable to a regular expression denial of service when it […]

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Debian 11 — musl — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — musl — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 July 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-3484 CVE-2015-1817 CVE-2016-8859 CVE-2017-15650 CVE-2019-14697 CVE-2020-28928 CVE-2025-26519 CVE-2026-40200  +1 more Upstream summary: Multiple stack-based buffer overflows in the __dn_expand function in network/dn_expand.c in musl libc 1.1x before 1.1.2 […]

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Debian 13 — manila-ui — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — manila-ui — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 July 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-6519 Upstream summary: Cross-site scripting (XSS) vulnerability in the "Shares" overview in Openstack Manila before 2.5.1 allows remote authenticated users to inject arbitrary web script or HTML via the […]

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Debian 13 — glusterfs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — glusterfs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4417 CVE-2012-5635 CVE-2014-3619 CVE-2017-15096 CVE-2018-10841 CVE-2018-1088 CVE-2018-10904 CVE-2018-10907  +12 more Upstream summary: GlusterFS 3.3.0, as used in Red Hat Storage server 2.0, allows local users to overwrite arbitrary […]

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Debian 13 — puppetserver — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — puppetserver — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 July 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-1894 Upstream summary: A Regular Expression Denial of Service (ReDoS) issue was discovered in Puppet Server 7.9.2 certificate validation. An issue related to specifically crafted certificate names significantly slowed […]

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