USN-7462-1: Linux kernel vulnerabilities

Published Apr 24, 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 Software

19 affected componentsFixes available
Ubuntu Linux kernel
All of the following
ubuntu/linux-image-5.4.0-1049-iot<5.4.0-1049.52
5.4.0-1049.52
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-1144-aws<5.4.0-1144.154
5.4.0-1144.154
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-aws-lts-20.04<5.4.0.1144.141
5.4.0.1144.141
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-1144-aws<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/linux-image-5.4.0-1147-gcp<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/linux-image-aws<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/linux-image-gcp<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
ubuntu/linux-aws-5.4<5.4.0-1144.154~18.04.1
5.4.0-1144.154~18.04.1
ubuntu/linux-gcp-5.4<5.4.0-1147.156~18.04.1
5.4.0-1147.156~18.04.1
ubuntu/linux-aws<5.4.0-1144.154
5.4.0-1144.154
ubuntu/linux-iot<5.4.0-1049.52
5.4.0-1049.52

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1049-iot to a version that resolves this vulnerability.

    Fixed in 5.4.0-1049.52
  2. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1144-aws to a version that resolves this vulnerability.

    Fixed in 5.4.0-1144.154
  3. Upgrade

    Upgrade ubuntu/linux-image-aws-lts-20.04 to a version that resolves this vulnerability.

    Fixed in 5.4.0.1144.141
  4. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1144-aws to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  5. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1147-gcp to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  6. Upgrade

    Upgrade ubuntu/linux-image-aws to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  7. Upgrade

    Upgrade ubuntu/linux-image-gcp to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  8. Upgrade

    Upgrade ubuntu/linux-aws-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1144.154~18.04.1
  9. Upgrade

    Upgrade ubuntu/linux-gcp-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1147.156~18.04.1
  10. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 5.4.0-1144.154
  11. Upgrade

    Upgrade ubuntu/linux-iot to a version that resolves this vulnerability.

    Fixed in 5.4.0-1049.52
  12. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch USN-7462-1

Event History

Apr 24, 2025
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software
Advisory Published
via OSV·03:37 PM
Data Sourced
via OSV·03:37 PM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-7462-1?

The severity of USN-7462-1 is high, indicating a significant risk of system compromise.

2

How do I fix USN-7462-1?

To fix USN-7462-1, update your Ubuntu system to the latest kernel versions specified in the advisory.

3

What systems are affected by USN-7462-1?

USN-7462-1 affects various versions of the Linux kernel on Ubuntu 18.04 and 20.04.

4

What vulnerabilities does USN-7462-1 address?

USN-7462-1 addresses multiple vulnerabilities in the Linux kernel that could allow an attacker to compromise the system.

5

Is it necessary to update for USN-7462-1?

Yes, it is necessary to update to mitigate potential security risks associated with the vulnerabilities fixed in USN-7462-1.

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