<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Posts on</title><link>https://eternull.ink/posts/</link><description>Recent content in Posts on</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Sun, 29 Mar 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://eternull.ink/posts/index.xml" rel="self" type="application/rss+xml"/><item><title>Exploiting Polkit (CVE-2021-3560): Race Condition to Root</title><link>https://eternull.ink/posts/polkit-cve-2021-3560/</link><pubDate>Sun, 29 Mar 2026 00:00:00 +0000</pubDate><guid>https://eternull.ink/posts/polkit-cve-2021-3560/</guid><description>&lt;p&gt;This writeup demonstrates how a race condition in Polkit (CVE-2021-3560) can be exploited to achieve root privileges on Linux systems.&lt;/p&gt;
&lt;p&gt;The vulnerability abuses improper handling of D-Bus authentication requests, allowing an unprivileged user to be treated as UID 0 (root). :contentReference[oaicite:0]{index=0}&lt;/p&gt;
&lt;h2&gt;👉 &lt;strong&gt;Read full article here:&lt;/strong&gt;
&lt;a href="https://eternull.medium.com/exploiting-polkit-cve-2021-3560-a-race-condition-to-root-on-linux-6d6d6d028dce"&gt;https://eternull.medium.com/exploiting-polkit-cve-2021-3560-a-race-condition-to-root-on-linux-6d6d6d028dce&lt;/a&gt;&lt;/h2&gt;
&lt;p&gt;This writeup demonstrates how a race condition in Polkit (CVE-2021-3560) can be exploited to achieve root privileges on Linux systems.&lt;/p&gt;
&lt;p&gt;The vulnerability abuses improper handling of D-Bus authentication requests, allowing an unprivileged user to be treated as UID 0 (root). :contentReference[oaicite:0]{index=0}&lt;/p&gt;</description></item></channel></rss>