chris

Alpine Linux edge — gnutls — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — gnutls — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.8.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gnutls 3.8.5-r0 Related CVEs: CVE-2024-28834 CVE-2024-28835 CVE-2023-5981 CVE-2024-0553 CVE-2024-0567 CVE-2026-3832 CVE-2026-3833 CVE-2026-5260  +12 more Upstream summary: Alpine main repository for vedge ships gnutls 3.8.5-r0 which […]

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Ubuntu 24.04 — pyopenssl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — pyopenssl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8115-1 Related CVEs: CVE-2026-27459 CVE-2026-27448 Upstream summary: It was discovered that pyOpenSSL incorrectly handled exceptions in the tlsext_servername callback. This could result in connections being accepted after an exception, contrary […]

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Ubuntu 20.04 — libxmltok — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libxmltok — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 July 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8023-1 Related CVEs: CVE-2026-25210 CVE-2026-24515 CVE-2012-1148 CVE-2015-1283 CVE-2016-0718 CVE-2016-4472 CVE-2018-20843 CVE-2019-15903  +11 more Upstream summary: It was discovered that Expat, contained within the xmltok library, incorrectly handled the initialization of […]

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Rocky Linux 9 — tomcat — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — tomcat — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2025:23049 Related CVEs: CVE-2025-31651 CVE-2025-55752 Upstream summary: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * tomcat: Apache Tomcat: Bypass of […]

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SLES 16 — tcpdump — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — tcpdump — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:1765-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-16301 CVE-2015-0261 CVE-2015-2153 CVE-2015-2154 CVE-2015-2155 CVE-2016-7922 CVE-2016-7923 CVE-2016-7924  +12 more Upstream summary: The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in […]

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Amazon Linux 2 — kernel-livepatch-5.10.233-223.887 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.233-223.887 — multiple vulnerabilities (8 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 ALAS2LIVEPATCH-2025-216 Related CVEs: CVE-2025-21796 CVE-2025-21647 CVE-2025-21702 CVE-2024-56631 CVE-2023-52760 CVE-2024-36899 CVE-2024-49960 CVE-2024-50143 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: nfsd: clear acl_access/acl_default after releasing them (CVE-2025-21796) […]

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

Oracle Linux 10 — grafana — vulnerability — patch and remediation guide (ELSA-2026-11712)

🟠 High   ⏱ 15–60 min  Last verified: 7 July 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-11712 Related CVEs: CVE-2026-32282 CVE-2026-32283 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Oracle Linux 9 — python3.12-setuptools — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python3.12-setuptools — vulnerability — patch and remediation guide (ELSA-2025-12834)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 July 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-12834 Related CVEs: CVE-2025-47273 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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How to Configure SSH with FIDO2 Hardware Keys on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure SSH with FIDO2 Hardware Keys on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure ssh with fido2 hardware keys both straightforward and auditable. This tutorial covers the complete procedure for how to Configure SSH with FIDO2 Hardware Keys on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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Windows Server 2022 — KB5082413 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5082413 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5082413 • MSRC update-guide entry Related CVEs: CVE-2026-23666 CVE-2026-33116 CVE-2026-32226 Affected components: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: Improper input validation […]

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