Advisory Published

USN-7445-1: Linux kernel vulnerabilities

First published: Wed Apr 23 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-6.11.0-1008-realtime<6.11.0-1008.8
6.11.0-1008.8
Ubuntu=24.10
All of
ubuntu/linux-image-6.11.0-1011-raspi<6.11.0-1011.11
6.11.0-1011.11
Ubuntu=24.10
All of
ubuntu/linux-image-6.11.0-1012-aws<6.11.0-1012.13
6.11.0-1012.13
Ubuntu=24.10
All of
ubuntu/linux-image-6.11.0-1012-lowlatency<6.11.0-1012.13
6.11.0-1012.13
Ubuntu=24.10
All of
ubuntu/linux-image-6.11.0-1012-lowlatency-64k<6.11.0-1012.13
6.11.0-1012.13
Ubuntu=24.10
All of
ubuntu/linux-image-6.11.0-1013-gcp<6.11.0-1013.13
6.11.0-1013.13
Ubuntu=24.10
All of
ubuntu/linux-image-6.11.0-1013-gcp-64k<6.11.0-1013.13
6.11.0-1013.13
Ubuntu=24.10
All of
ubuntu/linux-image-6.11.0-1014-oracle<6.11.0-1014.15
6.11.0-1014.15
Ubuntu=24.10
All of
ubuntu/linux-image-6.11.0-1014-oracle-64k<6.11.0-1014.15
6.11.0-1014.15
Ubuntu=24.10
All of
ubuntu/linux-image-6.11.0-24-generic<6.11.0-24.24
6.11.0-24.24
Ubuntu=24.10
All of
ubuntu/linux-image-6.11.0-24-generic-64k<6.11.0-24.24
6.11.0-24.24
Ubuntu=24.10
All of
ubuntu/linux-image-aws<6.11.0-1012.13
6.11.0-1012.13
Ubuntu=24.10
All of
ubuntu/linux-image-gcp<6.11.0-1013.13
6.11.0-1013.13
Ubuntu=24.10
All of
ubuntu/linux-image-gcp-64k<6.11.0-1013.13
6.11.0-1013.13
Ubuntu=24.10
All of
ubuntu/linux-image-generic<6.11.0-24.24+1
6.11.0-24.24+1
Ubuntu=24.10
All of
ubuntu/linux-image-generic-64k<6.11.0-24.24+1
6.11.0-24.24+1
Ubuntu=24.10
All of
ubuntu/linux-image-lowlatency<6.11.0-1012.13
6.11.0-1012.13
Ubuntu=24.10
All of
ubuntu/linux-image-lowlatency-64k<6.11.0-1012.13
6.11.0-1012.13
Ubuntu=24.10
All of
ubuntu/linux-image-oracle<6.11.0-1014.15
6.11.0-1014.15
Ubuntu=24.10
All of
ubuntu/linux-image-oracle-64k<6.11.0-1014.15
6.11.0-1014.15
Ubuntu=24.10
All of
ubuntu/linux-image-raspi<6.11.0-1011.11
6.11.0-1011.11
Ubuntu=24.10
All of
ubuntu/linux-image-realtime<6.11.0-1008.8
6.11.0-1008.8
Ubuntu=24.10
All of
ubuntu/linux-image-virtual<6.11.0-24.24+1
6.11.0-24.24+1
Ubuntu=24.10
All of
ubuntu/linux-image-6.11.0-1012-lowlatency<6.11.0-1012.13~24.04.1
6.11.0-1012.13~24.04.1
Ubuntu=24.04
All of
ubuntu/linux-image-6.11.0-1012-lowlatency-64k<6.11.0-1012.13~24.04.1
6.11.0-1012.13~24.04.1
Ubuntu=24.04
All of
ubuntu/linux-image-6.11.0-1020-oem<6.11.0-1020.20
6.11.0-1020.20
Ubuntu=24.04
All of
ubuntu/linux-image-6.11.0-24-generic<6.11.0-24.24~24.04.1
6.11.0-24.24~24.04.1
Ubuntu=24.04
All of
ubuntu/linux-image-6.11.0-24-generic-64k<6.11.0-24.24~24.04.1
6.11.0-24.24~24.04.1
Ubuntu=24.04
All of
ubuntu/linux-image-generic-64k-hwe-24.04<6.11.0-24.24~24.04.1
6.11.0-24.24~24.04.1
Ubuntu=24.04
All of
ubuntu/linux-image-generic-hwe-24.04<6.11.0-24.24~24.04.1
6.11.0-24.24~24.04.1
Ubuntu=24.04
All of
ubuntu/linux-image-lowlatency-64k-hwe-24.04<6.11.0-1012.13~24.04.1
6.11.0-1012.13~24.04.1
Ubuntu=24.04
All of
ubuntu/linux-image-lowlatency-hwe-24.04<6.11.0-1012.13~24.04.1
6.11.0-1012.13~24.04.1
Ubuntu=24.04
All of
ubuntu/linux-image-oem-24.04b<6.11.0-1020.20
6.11.0-1020.20
Ubuntu=24.04
All of
ubuntu/linux-image-virtual-hwe-24.04<6.11.0-24.24~24.04.1
6.11.0-24.24~24.04.1
Ubuntu=24.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7445-1?

    The severity of USN-7445-1 is considered high due to potential system compromise if the vulnerability is exploited.

  • How do I fix USN-7445-1?

    To fix USN-7445-1, update to the recommended Linux kernel versions provided in the advisory.

  • What systems are affected by USN-7445-1?

    USN-7445-1 affects Ubuntu 24.10 systems running specific versions of the Linux kernel.

  • What vulnerabilities are addressed by USN-7445-1?

    USN-7445-1 addresses multiple vulnerabilities including CVE-2025-21695 and CVE-2025-21673.

  • When was USN-7445-1 released?

    USN-7445-1 was released on a date corresponding with the Ubuntu security notice issuance.

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