Linux

Red Hat Enterprise Linux 7 — eap7-wildfly — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 7

Red Hat Enterprise Linux 7 — eap7-wildfly — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 7 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:6012 Related CVEs: CVE-2024-3884 CVE-2025-48913 CVE-2026-0603 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

Read more
Debian 13 — freerdp3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — freerdp3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 April 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-32658 CVE-2024-32659 CVE-2024-32660 CVE-2024-32661 CVE-2024-32662 CVE-2025-4478 CVE-2026-22851 CVE-2026-22852  +12 more Upstream summary: FreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients prior to version […]

Read more
Fedora 42 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — firefox — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-7f6ee801e2 Upstream summary: Update NSS to 3.123.1 Update to Firefox 151.0 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

Read more
Common Problems 124107

Oracle Linux 10 – rsyslog stops forwarding logs to SIEM after TLS certificate renewal

🟠 High   ⏱ 5–30 min  Last verified: 6 April 2026 Affected versions: Oracle Linux 10 📖 ~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 […]

Read more
AlmaLinux 10 — libcap — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — libcap — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:12423 Related CVEs: CVE-2026-4878 Upstream summary: Libcap is a library for getting and setting POSIX.1e (formerly POSIX 6) draft 15 capabilities. Security Fix(es): * libcap: libcap: Privilege escalation via TOCTOU race condition […]

Read more
How to Set Up LDAP with OpenLDAP on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up LDAP with OpenLDAP on RHEL 9

OpenLDAP is the most widely deployed open-source LDAP directory server and is commonly used for centralised identity management across Linux systems. On RHEL 9, OpenLDAP server packages are available directly from the base repositories, providing a standards-compliant LDAPv3 directory that integrates with SSSD for system authentication. This tutorial covers installing OpenLDAP, configuring the directory database, […]

Read more
Amazon Linux 2023 — libnvsdm-570 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — libnvsdm-570 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023NVIDIA-2025-136 Related CVEs: CVE-2025-23277 CVE-2025-23278 CVE-2025-23244 Upstream summary: NVIDIA Display Driver for Linux and Windows contains a vulnerability in the kernel mode driver, where an attacker could access memory outside […]

Read more
Amazon Linux 2023 — kernel-livepatch-6.12.31-35.92 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.12.31-35.92 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2025-082 Related CVEs: CVE-2025-39677 CVE-2025-38386 CVE-2025-38248 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix backlog accounting in qdisc_dequeue_internal (CVE-2025-39677) Table of contents Symptom & […]

Read more
Amazon Linux 2023 — kernel-livepatch-6.12.53-69.119 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.12.53-69.119 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2025-110 Related CVEs: CVE-2025-40173 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: net/ip6_tunnel: Prevent perpetual tunnel growth (CVE-2025-40173) Table of contents Symptom & Impact Environment & […]

Read more
Alpine Linux edge — py3-openssl — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — py3-openssl — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 26.1.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-openssl 26.1.0-r0 Related CVEs: CVE-2026-27448 CVE-2026-27459 CVE-2026-40475 Upstream summary: Alpine community repository for vedge ships py3-openssl 26.1.0-r0 which addresses CVE-2026-27448. Table of contents Symptom & […]

Read more
CHAT