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

Ubuntu 20.04 — gmp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 June 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5672-1 Related CVEs: CVE-2021-43618 Upstream summary: It was discovered that GMP did not properly manage memory on 32-bit platforms when processing a specially crafted input. An attacker could possibly use […]

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SLES 15 — tk — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — tk — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 June 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-FU-2022:0484-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-35331 Upstream summary: In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crafted file. NOTE: multiple third parties dispute […]

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AlmaLinux 8 — jmc-core — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — jmc-core — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4329 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Configure Kubernetes RBAC on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Kubernetes RBAC on RHEL 7

How to Configure Kubernetes RBAC on RHEL 7 Role-Based Access Control (RBAC) is the standard authorization mechanism in Kubernetes, allowing administrators to define precisely which users, groups, and service accounts can perform which actions on which resources. Without RBAC, any authenticated user could potentially read secrets, delete deployments, or escalate their privileges across namespaces. On […]

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Oracle Linux 8 — libstorage package conflict causes dnf groupinstall command to fail — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libstorage package conflict causes dnf groupinstall command to fail

🟠 High   ⏱ 5–30 min  Last verified: 12 June 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 30882591 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 […]

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