Advisory Published

USN-7402-2: Linux kernel (Real-time) vulnerabilities

First published: Tue Apr 01 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-6.8.1-1019-realtime<6.8.1-1019.20
6.8.1-1019.20
Ubuntu=24.04
All of
ubuntu/linux-image-realtime<6.8.1-1019.20
6.8.1-1019.20
Ubuntu=24.04
All of
ubuntu/linux-image-realtime-hwe-24.04<6.8.1-1019.20
6.8.1-1019.20
Ubuntu=24.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7402-2?

    The severity of USN-7402-2 is critical, as it addresses multiple security vulnerabilities in the Linux kernel that could allow attackers to compromise the system.

  • How do I fix USN-7402-2?

    To fix USN-7402-2, users should upgrade to the patched version of the Linux kernel available in the Ubuntu repository.

  • What systems are affected by USN-7402-2?

    USN-7402-2 affects Ubuntu 24.04 systems running specific versions of the Linux kernel, including linux-image-6.8.1-1019-realtime.

  • What vulnerabilities are addressed in USN-7402-2?

    USN-7402-2 addresses several critical vulnerabilities in the Linux kernel, including CVE-2024-53140, CVE-2024-53063, and CVE-2024-50302.

  • Is it safe to continue using my system without applying the USN-7402-2 update?

    It is not safe to continue using a system without applying the USN-7402-2 update, as unpatched systems are at greater risk of compromise.

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