Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005183)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005183 advisory. In the Linux kernel, the following vulnerability has been resolved: net: sched: Disallow replacing of child qdisc from one parent to another Lion Ackermann was able ...

EUVD-2025-2649

Malicious code in bioql PyPI...

AZL-59079 CVE-2025-21700 affecting package kernel for versions less than 5.15.180.1-1

In the Linux kernel, the following vulnerability has been resolved: net: sched: Disallow replacing of child qdisc from one parent to another Lion Ackermann was able to create a UAF which can be abused for privilege escalation with the following script Step 1. create root qdisc tc qdisc add dev lo...

CVE-2025-21700 net: sched: Disallow replacing of child qdisc from one parent to another

In the Linux kernel, the following vulnerability has been resolved: net: sched: Disallow replacing of child qdisc from one parent to another Lion Ackermann was able to create a UAF which can be abused for privilege escalation with the following script Step 1. create root qdisc tc qdisc add dev lo...

CVE-2025-21700 net: sched: Disallow replacing of child qdisc from one parent to another

In the Linux kernel, the following vulnerability has been resolved: net: sched: Disallow replacing of child qdisc from one parent to another Lion Ackermann was able to create a UAF which can be abused for privilege escalation with the following script Step 1. create root qdisc tc qdisc add dev lo...

CVE-2025-21700

CVE-2025-21700 is a Linux kernel vulnerability in net: sched that allowed a use-after-free (UAF) scenario to escalate privileges when replacing a child qdisc from one parent to another. The provided description and demonstration show steps manipulating tc qdisc/classqdisc layout and grafting, cul...