Common Problems

Common Problems 118454

Ubuntu 16.04 LTS high load average caused by I/O wait saturation

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 16.04 📖 ~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 […]

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SLES 12 — kernel-docs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — kernel-docs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2011:019 (see also SUSE bugzilla) Related CVEs: CVE-2011-1180 CVE-2024-26923 CVE-2022-2991 CVE-2018-25020 CVE-2016-3135 CVE-2016-6187 CVE-2016-7039 CVE-2016-8636  +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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Common Problems 118982

Ubuntu 14.04 LTS disk fills rapidly due to runaway log growth

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 14.04 📖 ~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 […]

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CentOS Stream 10 — iperf3 — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — iperf3 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:1597 Related CVEs: CVE-2025-54349 Upstream summary: Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, and data-gram loss. […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-14072 CVE-2018-14073 CVE-2018-19756 CVE-2018-19757 CVE-2018-19759 CVE-2018-19761 CVE-2018-19762 CVE-2018-19763  +12 more Upstream summary: libsixel 1.8.1 has a memory leak in sixel_decoder_decode in decoder.c, image_buffer_resize in fromsixel.c, and sixel_decode_raw in […]

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CentOS Stream 9 — haproxy — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — haproxy — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:21693 Related CVEs: CVE-2025-11230 CVE-2023-40225 CVE-2023-45539 CVE-2023-0836 CVE-2023-0056 CVE-2023-25725 Upstream summary: The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Security Fix(es): * haproxy: denial […]

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Debian 12 — nasm — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — nasm — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1287 CVE-2005-1194 CVE-2008-2719 CVE-2008-7177 CVE-2017-10686 CVE-2017-11111 CVE-2017-14228 CVE-2017-17810  +12 more Upstream summary: Buffer overflow in the error function in preproc.c for NASM 0.98.38 1.2 allows attackers to execute […]

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IBM AIX 7.3 — CVE-2021-29888 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-29888 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-29888, IBM Support Bulletin CVE: CVE-2021-29888 NVD summary: IBM InfoSphere Information Server 11.7 is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unauthorized actions transmitted from […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-2383 CVE-2008-7220 CVE-2015-2308 CVE-2015-2309 CVE-2015-4050 CVE-2015-8124 CVE-2015-8125 CVE-2016-1902  +12 more Upstream summary: The Prototype (prototypejs) framework before 1.5.1 RC3 exchanges data using JavaScript Object Notation (JSON) without an […]

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