Advisory Published

USN-7408-4: Linux kernel (HWE) vulnerabilities

First published: Mon Apr 07 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-5.4.0-212-generic<5.4.0-212.232~18.04.1
5.4.0-212.232~18.04.1
Ubuntu=18.04
All of
ubuntu/linux-image-5.4.0-212-lowlatency<5.4.0-212.232~18.04.1
5.4.0-212.232~18.04.1
Ubuntu=18.04
All of
ubuntu/linux-image-generic-hwe-18.04<5.4.0.212.232~18.04.1
5.4.0.212.232~18.04.1
Ubuntu=18.04
All of
ubuntu/linux-image-lowlatency-hwe-18.04<5.4.0.212.232~18.04.1
5.4.0.212.232~18.04.1
Ubuntu=18.04
All of
ubuntu/linux-image-oem<5.4.0.212.232~18.04.1
5.4.0.212.232~18.04.1
Ubuntu=18.04
All of
ubuntu/linux-image-oem-osp1<5.4.0.212.232~18.04.1
5.4.0.212.232~18.04.1
Ubuntu=18.04
All of
ubuntu/linux-image-snapdragon-hwe-18.04<5.4.0.212.232~18.04.1
5.4.0.212.232~18.04.1
Ubuntu=18.04
All of
ubuntu/linux-image-virtual-hwe-18.04<5.4.0.212.232~18.04.1
5.4.0.212.232~18.04.1
Ubuntu=18.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7408-4?

    USN-7408-4 addresses several critical vulnerabilities in the Linux kernel that could allow attackers to compromise the system.

  • How do I fix USN-7408-4?

    You can fix USN-7408-4 by updating to the suggested kernel version 5.4.0-212.232~18.04.1 or higher.

  • What systems are affected by USN-7408-4?

    USN-7408-4 affects Ubuntu 18.04 systems that use certain Linux kernel images.

  • What types of vulnerabilities are addressed in USN-7408-4?

    USN-7408-4 corrects security flaws that could be exploited by attackers to gain unauthorized access or control of the system.

  • Is reboot required after applying USN-7408-4?

    Yes, rebooting is recommended after applying the update for USN-7408-4 to ensure all kernel changes take effect.

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