BLOG ESPECIALIZADO NO MUNDO LINUX. Blog de Linux com vídeo aulas, notícias do mundo Linux e do Software Livre.
Critical Fedora 42 update addresses CVE-2026-27624 in Coturn 4.9.0, a high-severity security bypass vulnerability allowing attackers to evade IP access controls via IPv4-mapped IPv6 addresses. This patch also resolves Web Admin authentication flaws and deprecates unsafe OpenSSL APIs. Learn how this update fortifies your WebRTC, VoIP, and NAT traversal infrastructure against sophisticated exploits. Immediate upgrade instructions included.
Fedora 43 rolls out critical GIMP 3.0.8 security update (FEDORA-2026-3e21dad421) patching CVE-2026-2239, a heap-buffer-overflow in the PSD loader causing DoS. Learn how to protect your Linux workstation from crafted file exploits, review the technical changelog, and execute the DNF upgrade command to mitigate this high-priority vulnerability affecting digital artists and enterprise environments.
Ubuntu 26.04 LTS introduces visual password feedback for sudo, ending a four-decade tradition of silent typing. Our expert analysis examines the sudo-rs Rust implementation, security implications, configuration management, and what this UX shift means for Linux administrators and enterprise deployments. Learn how to customize password feedback settings.
Discover why AlmaLinux is the enterprise Linux distribution of choice for over 2 million systems. Our in-depth analysis covers the AlmaLinux 2025 Year In Review, exploring record growth, technical innovations like x86-64-v2 and Btrfs, and its strategic advantage as a RHEL alternative. Learn how this community-driven OS is redefining stability and performance for modern infrastructure.
Discover how the new cake_mq Linux kernel scheduler enables multi-queue aware traffic shaping, dramatically improving network performance for data centers and high-speed infrastructure. Learn about its architecture, benefits over sch_cake, and implementation insights from Red Hat engineers. This comprehensive guide covers everything from technical configuration to real-world deployment scenarios.
Discover how the upcoming Linux Kernel 6.20~7.0 update transforms Intel Speed Select Technology (SST) management. Learn about the new non-root user capabilities in the intel-speed-select tool, enabling secure, read-only performance monitoring without administrative privileges. Explore implications for system administrators, DevOps engineers, and high-performance computing environments.
Urgent Fedora 42 security advisory: Critical OpenSSH vulnerabilities CVE-2025-61985 & CVE-2025-61984 expose systems to remote exploitation. Learn patching steps, vulnerability analysis, enterprise mitigation strategies, and the future of SSH security. Act now to secure your Linux infrastructure.
openSUSE Tumbleweed security advisory details: Critical update for python311-aiohttp package patches 8 high-severity vulnerabilities (CVE-2025-69223 to CVE-2025-69230). Learn the risks, impacted packages, and immediate remediation steps for enterprise Linux security and DevSecOps pipelines.
Oracle Linux 8 users: Critical Thunderbird security update ELSA-2026-0026 is now live. This patch addresses key vulnerabilities, introduces OpenELA debranding, and adds Oracle-specific preferences. Learn the update steps, security implications, and how to deploy the fix via ULN or SRPM for x86_64 & aarch64 systems.
Critical Rocky Linux 8 PostgreSQL security update RLSA-2023:5269 patches multiple CVE vulnerabilities affecting pg_repack, pgaudit, and postgres-decoderbufs modules. Learn about CVSS scores, affected RPM packages, and step-by-step remediation for enterprise database security. Detailed analysis for system administrators and DevOps teams.
Critical security update for Oracle Linux 8: CVE-2025-55753 vulnerability in Apache httpd's mod_md module patched. Learn about the fix, download the updated RPMs for x86_64 & aarch64, and understand enterprise Linux security best practices. Essential reading for system administrators.
Oracle Linux 8 administrators: Critical Git-LFS update patches CVE-2025-26625 vulnerability. Learn about this security enhancement, download RPMs for x86_64 & aarch64, and understand enterprise Linux patch management best practices for DevOps security. Official Oracle Linux repositories updated.
Critical security advisory for CVE-2025-14104, a heap buffer overflow vulnerability in util-linux's setpwnam() function affecting Fedora 42. Learn the risks, patch instructions with DNF, and best practices for Linux system security. Official Red Hat Bugzilla references included.
Critical security update for Fedora 42's mqttcli package (version 0.2.8) addressing multiple high-severity CVEs, including integer overflows and memory exhaustion vulnerabilities. Learn the urgent update instructions, detailed vulnerability analysis, and best practices for securing your MQTT command-line tools and IoT communication pipelines.
Oracle Linux 10 users must patch Tomcat 9 immediately. ELSA-2025-23052 addresses critical CVE-2025-55752 (Directory Traversal to RCE) and CVE-2025-31651 (Rewrite Valve Bypass) vulnerabilities. Learn the risks, update steps, and best practices for enterprise Java server security.
Critical Fedora 43 security update: A deep-dive into the abrt CVE-2025-12744 command injection vulnerability, its privilege escalation risks, and step-by-step patching instructions. Learn how to secure your Linux systems and implement proactive application crash analytics.
Rocky Linux 10.1 GA is now available, mirroring RHEL 10.1 with enterprise-grade features like soft reboots, post-quantum cryptography, and updated toolchains (GCC 15, LLVM 20). Explore the benefits for your infrastructure and download this stable, community-driven RHEL alternative today.
