@ferramentaslinux.bsky.social
đ€ 91
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Blog:
https://portallinuxferramentas.blogspot.com/
Stop chasing separate kernel, DTB, and initramfs files on your embedded devices. The Flattened Image Tree (FIT) format bundles all boot assets into a single container. UâBoot loads the right components every time. Read more ->
tinyurl.com/37ekh9ay
#Standards
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Simplify Embedded Linux Boot and Updates with Flattened Image Trees (FIT)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/37ekh9ay
about 5 hours ago
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Laggy cursor while scrolling through code or settings on Wayland? The culprit: CPUârendered apps forcing extra buffer copies. Read more- >
tinyurl.com/568h75dk
#KDE
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Fix Laggy Cursor and Scrolling in CPU-Heavy Apps on Wayland
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/568h75dk
about 5 hours ago
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Frustrated by system crashes? This Rust-based OS takes a different path: memory safety, responsive desktop, and packages that download in a fraction of the time. Three steps to try it yourself. Read more- >
tinyurl.com/4zrcta2z
#Operating_system
#Rust
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The Safer, More Reliable OS You Might Be Missing
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/4zrcta2z
about 6 hours ago
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Ever tried playing an old 2D game only to have it stutter like crazy? Read more- >
tinyurl.com/2hddyx7k
#Vulkan
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How to Make Your Favorite Retro PC Games Run at Full Speed (Without Changing Hardware)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/2hddyx7k
about 9 hours ago
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PCIe 8.0 draft 0.5 is out: 256 GT/s, double the bandwidth of PCIe 7.0, up to 1 TB/s via x16. Final spec expected in 2028 â no near-term impact for Linux users, but one for the roadmap. Read more ->
tinyurl.com/59u5xane
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PCIe 8.0 Draft 0.5 Released
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/59u5xane
about 9 hours ago
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#GCC
WebAssembly backend proposed via patch series (~3k lines, RFC). Early stage â lacks reference types, tables, exceptions, debug info, data sections. Read more ->
tinyurl.com/2hek3ysu
#GNU
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GCC WebAssembly Back-End Proposed
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/2hek3ysu
about 9 hours ago
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CVE-2026-40393 isn't going anywhere. Check your
#openSUSE
Mesa version, run this 1âminute script, and lock down WebGPU for good Read more - >
tinyurl.com/5n6hwtww
#Security
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Critical Mesa WebGPU Vulnerability: What You Need to Know
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/5n6hwtww
about 12 hours ago
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Patching is not always an option (hello, legacy dependencies). When you can't update, restrict. Read more ->
tinyurl.com/w7ymjfep
#Security
#Ubuntu
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How to Secure Your Ubuntu System Against NASM Memory Vulnerabilities
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/w7ymjfep
1 day ago
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Stop chasing monthly kernel bugs. This permanent guide for
#Ubuntu
shows how to check for EntrySign (CVEâ2024â36347), patch with a single bash script, and protect systems with iptables/AppArmor. Read more ->
tinyurl.com/5n8n7cm3
#Security
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The EntrySign AMD Microcode Flaw: A Permanent Guide to Checking, Patching, and Protecting Ubuntu Systems
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/5n8n7cm3
1 day ago
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New Linux kernel bug just dropped. Same drill: check, patch, reboot, repeat... unless you automate it. Read more ->
tinyurl.com/mt2actrs
#Ubuntu
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From Panic to Patch: Your Permanent Guide to Checking & Fixing Any Ubuntu Kernel Vulnerability
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/mt2actrs
1 day ago
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Ubuntu kernel security update just landed. Hereâs a timeless guide to check your system, apply fixes, and use iptables/AppArmor when you canât reboot ->
tinyurl.com/4chjsaf6
#Ubuntu
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Linux Kernel Security Update Guide for Ubuntu (Based on Recent Advisory)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/4chjsaf6
1 day ago
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Another kernel vulnerability? Yawn. đ„± Hereâs a workflow that works for any
#Ubuntu
kernel update â not just todayâs AMD EntrySign flaw. Check commands, automation script, AppArmor mitigations, and a Raspberry Pi lab kit to test safely.. Read more ->
tinyurl.com/2krc526y
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Ubuntu Kernel Security: How to Fix the AMD EntrySign Microcode Vulnerability (and Stay Secure for Good)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/2krc526y
1 day ago
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Stop reacting to vulnerability news. Build a repeatable defense. Master SUSE Linux kernel security with real commands & automation scripts. Read more->
tinyurl.com/43vy37em
#SUSE
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Hardening SUSE Linux: A Practical Guide to Responding to Kernel Threats
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/43vy37em
1 day ago
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Sysadmins: test JWT patches before deploying. Read more- >
tinyurl.com/yjrrzjba
#Security
#Debian
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PyJWT Security Guide: Critical Header Validation Bypass
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/yjrrzjba
3 days ago
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Email security isn't a oneâtime fix. Hereâs a complete Thunderbird hardening guide for openSUSE â including audit scripts, automation, and zeroâupdate mitigations. Read mroe ->
tinyurl.com/23cffx2n
#openSUSE
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How to Secure Mozilla Thunderbird on openSUSE Against the Latest Vulnerabilities (and Others)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/23cffx2n
4 days ago
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openSUSE vulnerability allows local privilege escalation via himmelblau. Ready-to-use scripts, practical commands, and alternative mitigation on the blog Read more ->
tinyurl.com/bd8fun6f
#Security
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openSUSE: Local privilege escalation in himmelblau (CVE-2026-34397)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/bd8fun6f
4 days ago
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The kernelâs release candidate cycle is Linuxâs unsung superpower. Read more- >
tinyurl.com/9xdpuz8x
#Linux71
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The Linux Kernel Release Candidate Cycle: Why Testing RCs Matters for Long-Term Stability
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/9xdpuz8x
4 days ago
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New âCopy Failâ Linux flaw gives local users root.
#SUSE
patch available. Read more â
tinyurl.com/342v578s
#Security
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SUSE Linux Kernel âCopy Failâ Vulnerability (CVEâ2026â31431): A Complete Guide
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/342v578s
4 days ago
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**Linux Security Alert! ** The 'Copy Fail' (CVE-2026-31431) flaw lets ANY local user gain root access on SUSE & other distros. Read more->
tinyurl.com/mr5e2y7d
#SUSE
#Security
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How to Check, Fix, and Mitigate a Linux Kernel Local Privilege Escalation on SUSE (Evergreen Commands & Script)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/mr5e2y7d
4 days ago
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Linux âCopy Failâ LPE (CVEâ2026â31431) gives any local user root. Patch command, mitigation script, and checker inside. Read more- >
tinyurl.com/mpsyaybe
#Security
#SUSE
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The âCopy Failâ Vulnerability (CVEâ2026â31431)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/mpsyaybe
5 days ago
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A TOCTOU race in libcap's cap_set_file() could hand over root to any local user. But you don't have to stay vulnerable. Read more ->
tinyurl.com/5ncay9wa
#Security
#RockyLinux
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From Zero to Privileged: Understanding and Fixing the libcap Capabilities Flaw
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/5ncay9wa
5 days ago
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A sudo vulnerability (CVE-2026-35535) could let any local user gain root on Rocky Linux. Here's how to check, patch, and automate updates: Read more ->
tinyurl.com/2kd8ztbp
#Security
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From a "News Flash" to a Security Checklist
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/2kd8ztbp
5 days ago
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A bug in rust-sequoia-git allows malicious merge requests to bypass revocation checks. Read more->
tinyurl.com/yfhjaex9
#Security
#Fedora
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How to Harden rust-sequoia-git on Fedora Linux
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/yfhjaex9
5 days ago
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Stop reading news that's dead in a week. Turn security alerts into evergreen action plans. We did it for the recent sequoia-git fix on Fedora. Get the check script + automation + iptables mitigations: Read more ->
tinyurl.com/2eetvrs6
#Fedora
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Securing Your Git Commit Signing Policy: A Practical Guide to the Sequoia-Git Vulnerability
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/2eetvrs6
5 days ago
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Fedora sysadmins: A code execution flaw (CVE-2026-6846) affects the Insight debugger. Read more->
tinyurl.com/yeymucyb
#Fedora
#Security
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Securing Your Fedora Workstation: Detecting and Fixing the CVE-2026-6846 Arbitrary Code Execution Vulnerability in Insight
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/yeymucyb
5 days ago
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NSS is the backbone of crypto on Fedoraâdon't let an outdated library wreck your security. Our new evergreen guide shows you how to check, patch, and harden NSS, plus a Raspberry Pi lab to practice safely. Read more ->
tinyurl.com/nsx5pse9
#Fedora
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Fortify Fedora: The Administrator's Guide to NSS Security
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/nsx5pse9
5 days ago
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Why your Linux server might be hacked right now A
#Debian
security advisory just dropped (DLA-4561-1). It fixes over 100 kernel bugs, including privilege escalation flaws that have been around for YEARS. Read more->
tinyurl.com/tj4nye72
#Security
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Kernel Security: A Practical Guide to Staying Protected on Debian
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/tj4nye72
6 days ago
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Linux kernel LPE & DoS vulnerabilities (CVE-2026-31431 / CVE-2026-43033) affect
#Debian
11 Bullseye. Detection commands, full fix script, and temporary mitigations inside. Update to kernel 5.10.251-3. đĄïž Full guide & script Read more- >
tinyurl.com/yfpvfpa8
#Security
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Update Your Debian 11 Linux Kernel: Privilege Escalation & DoS Fix
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/yfpvfpa8
6 days ago
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Multiple glibc vulnerabilities (buffer overflows, memory corruption) affect Fedora. Don't wait for an exploit â check your version, run the update script, and apply temporary mitigations. Read more->
tinyurl.com/4hw4jc7a
#Security
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How to Check, Patch, and Harden glibc on Fedora Linux (Permanent Security Guide)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/4hw4jc7a
6 days ago
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Fedora sysadmins: Two Kerberos flaws (CVE-2026-40355/40356) can crash your authentication services. I've posted the complete guide â includes a fix script and firewall workarounds. Read more->
tinyurl.com/3jz38jwz
#Fedora
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Kerberos (krb5) Security Update: NegoEx DoS Vulnerabilities Explained
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/3jz38jwz
6 days ago
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Your
#Python
dependencies are a major supply chain risk. đđ Patch this GitPython flaw with 3 commands on
#Fedora
Linux. Then build a dedicated home lab with a Raspberry Pi to test your defenses safely. Read more ->
tinyurl.com/jf29mtzz
#Security
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How to Secure Your Fedora Linux Lab Against Python Git Library Attacks
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/jf29mtzz
6 days ago
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#Fedora
Xen hypervisor running your VMs? Check if you're vulnerable, then run our automation script to patch before an attacker does. Detailed guide and temporary iptables/AppArmor mitigations included. Read more ->
tinyurl.com/543bhbup
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Securing Your Fedora Xen Hypervisor: A Practical Guide to Vulnerability Management
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/543bhbup
7 days ago
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#Fedora
security update: rustâopensslâsys 0.9.114 fixes several memoryâcorruption flaws. In my latest guide: Read it here:
tinyurl.com/mrx5hayf
#Security
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Discover the Simple Fix for This Critical Security Update and Apply It Immediately
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/mrx5hayf
7 days ago
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How do you keep Vim secure on openSUSE? Cron jobs? AppArmor? I built a script that does it all â including network blocks for zeroâday protection. Read more->
tinyurl.com/yzs637ay
#openSUSE
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Vim/gVim on openSUSE: Permanent Security Hardening Guide
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/yzs637ay
7 days ago
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Deeply nested ASN.1 data hitting your Python app? đ„ It could trigger uncontrolled recursion and crash your service. Read more- >
tinyurl.com/mtt4e54p
#Security
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Vulnerability Deep Dive: DoS via Recursion in Python ASN.1 Parsers (pyasn1)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/mtt4e54p
7 days ago
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New guide: Understand & fix ReDoS in Pygments (CVE-2026-4539) on openSUSE. Includes verification commands, automation script, and 5 mitigation strategies when you can't patch. Read more->
tinyurl.com/muhbwmf5
#openSUSE
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Security Update: Understanding Pygments ReDoS Vulnerability in openSUSE (CVE-2026-4539)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/muhbwmf5
7 days ago
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Level up your Linux security game! Learn how to detect vulnerabilities, automate patch management, and implement network hardening on openSUSE systems. ->
tinyurl.com/3ru38w4w
#openSUSE
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How to Secure Your openSUSE System Against Python-Pygments ReDoS Attacks
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/3ru38w4w
7 days ago
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A
#Debian
Chromium update patched 27+ flaws (RCE, NDoS, info leak). I turned it into an evergreen guide with ->
tinyurl.com/dzbff442
#Security
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Stop Reacting: A Practical Guide to Managing Chromium Security on Debian
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/dzbff442
7 days ago
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732âbyte Python script â root on any Ubuntu 20.04 (or older). Hereâs your permanent fix: blacklist algif_aead once, run the bash automation, and never worry about CVEâ2026â31431 again. Read more->
tinyurl.com/4e7s84yj
#Ubuntu
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From Zero to Root in 732 Bytes: The âCopy Failâ Vulnerability (CVEâ2026â31431) and How to Lock Down Your Ubuntu Servers Right Now
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/4e7s84yj
8 days ago
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Linux root exploit discovered. Here's your fix. 3 blacklist commands. 1 automation script. Works for any kernel module vuln. No reboot required. Read more - >
tinyurl.com/395u5zpr
#Ubuntu
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How to Permanently Block Any Dangerous Linux Kernel Module: A FutureâProof Security Guide
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/395u5zpr
8 days ago
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Another critical Grafana security update landed in openSUSE Leap. The RCE (CVE-2026-27876) lets attackers turn Viewer accounts into full host access. Read more ->
tinyurl.com/mstzsfc3
#openSUSE
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openSUSE Grafana Security Update â Critical Fixes and How to Apply Them Yourself
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/mstzsfc3
8 days ago
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The PyNaCl vulnerability (CVE-2025-69277) just reminded us: cryptographic dependencies need constant attention. Here's a practical guide for openSUSE admins: check scripts, automation code, and AppArmor mitigations all included. Read more ->
tinyurl.com/3pkzwaff
#openSUSE
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How to Secure Your openSUSE System Against a PyNaCl Vulnerability (A Practical Guide)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/3pkzwaff
8 days ago
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Patched your SSO yet? Learn practical steps to secure LemonLDAP::NG on Fedora with our latest guide. Includes a quick check, an automation script, and temporary mitigations for busy admins. Read more->
tinyurl.com/5bj7ca7j
#Fedora
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Securing LemonLDAP::NG on Fedora Linux
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/5bj7ca7j
8 days ago
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Just patched CVE-2025-14956 on Fedora? Good. Now learn how to find the next buffer overflow before it's disclosed. Read more->
tinyurl.com/kn4byfmj
#Fedora
8 days ago
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You can copy my openSUSE script for CVE-2026-1659. It works today. But next month? Next CVE? You'll be guessing again. Read more ->
tinyurl.com/mnm844br
#openSUSE
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How to Handle a Critical Package Vulnerability on openSUSE (Real-World Example Using sed)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/mnm844br
9 days ago
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Every CVE script you write is obsolete next week. Learn to build binary analysis tools that catch unknown privilege escalations â in PackageKit, dpkg, or any Linux binary. Read more->
tinyurl.com/b8bp32mm
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Securing Ubuntuâs PackageKit Against Local Privilege Escalation
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/b8bp32mm
9 days ago
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You patched CVE-2026-1643? Good. Next monthâs zero day wonât wait for an update ->
tinyurl.com/2zvcj36z
#openSUSE
->
9 days ago
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Instead of chasing todayâs kernel CVE, learn the commands that work for every CVE. â Check vulnerability â Auto-patch with a script â Mitigate without reboot Read more ->
tinyurl.com/p5a34ksb
#SUSE
#Security
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Evergreen Content: How to Handle Any SUSE Linux Kernel Vulnerability (Check, Fix, & Mitigate)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/p5a34ksb
9 days ago
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openSUSE had a python-requests TLS bypass CVE in 2026. The patch is out. Read more ->
tinyurl.com/542tzkd9
#openSUSE
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How to Lock Down Pythonâs requests Library When TLS Certificate Verification Fails
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/542tzkd9
10 days ago
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A script fixes CVE in Chrimium quickly and easily ->
tinyurl.com/bdrxaxzn
#Fedora
#Security
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How to Secure Chromium on Fedora Linux Against Known Vulnerabilities (And Stay Safe Forever)
Blog com notĂcias sobre, Linux, Android, Segurança , etc
https://tinyurl.com/bdrxaxzn
10 days ago
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