chris

Amazon Linux 2 — python3-jinja2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python3-jinja2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-2793 Related CVEs: CVE-2025-27516 CVE-2024-56326 CVE-2019-10906 CVE-2024-22195 CVE-2024-34064 Upstream summary: Jinja is an extensible templating engine. Prior to 3.1.6, an oversight in how the Jinja sandboxed environment interacts with the […]

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Ubuntu 18.04 — libblockdev — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libblockdev — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 September 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7577-2 Related CVEs: CVE-2025-6019 Upstream summary: USN-7577-1 fixed a vulnerability in libblockdev. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It […]

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openSUSE Tumbleweed — screen — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — screen — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:0304-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-26937 CVE-2025-46802 CVE-2023-24626 CVE-2017-5618 Upstream summary: encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and […]

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

SLES 15 — cmake — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 September 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:02975-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-9301 Upstream summary: A vulnerability was determined in cmake 4.1.20250725-gb5cce23. This affects the function cmForEachFunctionBlocker::ReplayItems of the file cmForEachCommand.cxx. This manipulation causes reachable assertion. The […]

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Oracle Linux 8 — glibc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — glibc — vulnerability — patch and remediation guide (ELSA-2025-20300)

🟡 Medium   ⏱ 10–30 min  Last verified: 10 September 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20300 Related CVEs: CVE-2025-0395 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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Rocky Linux 8 — perl-IPC-SysV — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — perl-IPC-SysV — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8096 Related CVEs: CVE-2025-40909 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have […]

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openSUSE Leap 15.6 — libvpx7 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — libvpx7 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:2409-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-44488 CVE-2023-6349 CVE-2024-5197 Upstream summary: VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding. Table of contents Symptom & […]

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Oracle Linux 10 — openssl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — openssl — vulnerability — patch and remediation guide (ELSA-2026-50081)

🟠 High   ⏱ 15–60 min  Last verified: 10 September 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50081 Related CVEs: CVE-2025-11187 CVE-2025-15467 CVE-2025-15468 CVE-2025-15469 CVE-2025-66199 CVE-2025-68160 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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NetBSD 9.4 — libcares — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — libcares — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-31498 CVE-2020-14354 CVE-2021-3672 CVE-2023-31124 CVE-2023-31130 CVE-2023-31147 CVE-2017-1000381 CVE-2023-32067  +3 more Upstream summary: pkgsrc audit-packages flagged libcares<1.12.0 for vulnerability class 'arbitrary-code-execution'. Reference: https://c-ares.haxx.se/adv_20160929.html Table of contents Symptom & Impact Environment […]

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How to Install Kubernetes with kubeadm on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Kubernetes with kubeadm on Debian 13

Introduction How to Install Kubernetes with kubeadm on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. […]

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