¿Los contenedores siguen siendo un límite de seguridad?
Un malware corriendo dentro de un contenedor puede explotar un bug del kernel, escalar a root y, de repente, está en el host. El límite del contenedor se vuelve decorativo.
The Linux community is abuzz with news of a potential Remote Code Execution (RCE) vulnerability, sending chills down the spines of sysadmins and prompting frantic security checks. But hold on to your penguins, because things are a bit more complicated than they appear. UPDATE 29-09-2024: How to fix
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The Linux community is abuzz with news of a potential Remote Code Execution (RCE) vulnerability, sending chills down the spines of sysadmins and prompting frantic security checks. But hold on to your penguins, because things are a bit more complicated than they appear.

UPDATE 29-09-2024 How to fix
The story begins with renowned security researcher, Simone Margaritelli, who claims to have discovered a critical RCE vulnerability affecting all GNU/Linux systems, potentially extending its reach to other operating systems as well. While details remain shrouded in secrecy, the severity score, reportedly confirmed by industry giants like Canonical and Red Hat, stands at a jaw-dropping 9.9 out of 10. To put that into perspective, Heartbleed, the infamous bug that sent shockwaves through the internet, scored a 7.5.
Adding fuel to the fire, Margaritelli took to X (formerly Twitter) to express his frustration over the handling of the disclosure. He alleges that despite providing proof-of-concept exploits, developers have been dismissive, debating the vulnerability's impact instead of working towards a fix. His posts, now protected, paint a picture of a security researcher caught in a battle against corporate bureaucracy and developer pride.
While the specifics of the vulnerability remain under wraps, a disclosure timeline has been agreed upon:
The lack of concrete information has led to rampant speculation, with rumors swirling about the affected subsystems, ranging from CUPS to the networking stack. However, it's crucial to approach the situation with a healthy dose of skepticism. While the severity score and Margaritelli's reputation lend credibility to the claims, independent confirmation from the vendors involved is still pending.
Regardless of the specifics, this incident highlights a fundamental truth in the world of software: complexity breeds vulnerability. Modern operating systems, with their intricate interconnected components and constant online connectivity, present an ever-expanding attack surface. As systems become more complex, the possibility of undiscovered vulnerabilities increases exponentially.
Until more information comes to light, the best course of action is to stay informed and exercise caution. Keep an eye out for updates from official sources, and be prepared to patch your systems as soon as possible.

Un malware corriendo dentro de un contenedor puede explotar un bug del kernel, escalar a root y, de repente, está en el host. El límite del contenedor se vuelve decorativo.
Si Omarchy Quattro es un vistazo en funcionamiento de ese futuro, la fundación es el motor institucional para hacerlo duradero. Las marcas registradas, la infraestructura y las subvenciones no son emocionantes. Tampoco lo es el interior de un firewall. Pero sin ellos, la visión muere.