Advisory Published

USN-7387-2: Linux kernel (FIPS) vulnerabilities

First published: Fri Mar 28 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-5.15.0-1079-gcp-fips<5.15.0-1079.88+fips1
5.15.0-1079.88+fips1
Ubuntu=22.04
All of
ubuntu/linux-image-5.15.0-1080-aws-fips<5.15.0-1080.87+fips1
5.15.0-1080.87+fips1
Ubuntu=22.04
All of
ubuntu/linux-image-5.15.0-1083-azure-fips<5.15.0-1083.92+fips1
5.15.0-1083.92+fips1
Ubuntu=22.04
All of
ubuntu/linux-image-5.15.0-135-fips<5.15.0-135.146+fips1
5.15.0-135.146+fips1
Ubuntu=22.04
All of
ubuntu/linux-image-aws-fips<5.15.0.1080.76
5.15.0.1080.76
Ubuntu=22.04
All of
ubuntu/linux-image-azure-fips<5.15.0.1083.70
5.15.0.1083.70
Ubuntu=22.04
All of
ubuntu/linux-image-fips<5.15.0.135.76
5.15.0.135.76
Ubuntu=22.04
All of
ubuntu/linux-image-gcp-fips<5.15.0.1079.69
5.15.0.1079.69
Ubuntu=22.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7387-2?

    The severity of USN-7387-2 is critical as it addresses multiple security vulnerabilities in the Linux kernel that could allow an attacker to compromise the system.

  • How do I fix USN-7387-2?

    To fix USN-7387-2, you should update your Linux kernel to one of the following versions: 5.15.0-1079.88+fips1, 5.15.0-1080.87+fips1, 5.15.0-1083.92+fips1, or 5.15.0-135.146+fips1.

  • Which Ubuntu versions are affected by USN-7387-2?

    USN-7387-2 affects Ubuntu 22.04 with specific kernel versions listed in the advisory.

  • What types of vulnerabilities are addressed in USN-7387-2?

    USN-7387-2 addresses multiple security issues in the Linux kernel subsystems that may lead to system compromise.

  • Is there any risk if I don't update for USN-7387-2?

    If you do not update for USN-7387-2, your system may be vulnerable to exploits that could allow unauthorized access or control by attackers.

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