Advisory Published

USN-7407-1: Linux kernel (HWE) vulnerabilities

First published: Wed Apr 02 2025(Updated: )

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-5.15.0-136-generic<5.15.0-136.147~20.04.1
5.15.0-136.147~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-5.15.0-136-generic-64k<5.15.0-136.147~20.04.1
5.15.0-136.147~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-5.15.0-136-generic-lpae<5.15.0-136.147~20.04.1
5.15.0-136.147~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-generic-64k-hwe-20.04<5.15.0.136.147~20.04.1
5.15.0.136.147~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-generic-hwe-20.04<5.15.0.136.147~20.04.1
5.15.0.136.147~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-generic-lpae-hwe-20.04<5.15.0.136.147~20.04.1
5.15.0.136.147~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-oem-20.04<5.15.0.136.147~20.04.1
5.15.0.136.147~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-oem-20.04b<5.15.0.136.147~20.04.1
5.15.0.136.147~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-oem-20.04c<5.15.0.136.147~20.04.1
5.15.0.136.147~20.04.1
Ubuntu=20.04
All of
ubuntu/linux-image-virtual-hwe-20.04<5.15.0.136.147~20.04.1
5.15.0.136.147~20.04.1
Ubuntu=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7407-1?

    The severity of USN-7407-1 is critical, as it addresses multiple vulnerabilities that could allow attackers to compromise affected systems.

  • How do I fix USN-7407-1?

    To fix USN-7407-1, update your Ubuntu 20.04 system to include the patched kernel version 5.15.0-136.147~20.04.1.

  • Which versions of Ubuntu are affected by USN-7407-1?

    Ubuntu 20.04 is the only affected version by USN-7407-1.

  • What components are patched in USN-7407-1?

    USN-7407-1 patches several subsystems within the Linux kernel to correct security flaws.

  • Can USN-7407-1 lead to a system compromise?

    Yes, vulnerabilities addressed by USN-7407-1 could potentially allow an attacker to compromise the system.

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