USN-7445-1: Linux kernel vulnerabilities

Published 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 Software

72 affected componentsFixes available
Ubuntu Linux kernel
All of the following
ubuntu/linux-image-6.11.0-1008-realtime<6.11.0-1008.8
6.11.0-1008.8
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-6.11.0-1011-raspi<6.11.0-1011.11
6.11.0-1011.11
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-6.11.0-1012-aws<6.11.0-1012.13
6.11.0-1012.13
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-6.11.0-1012-lowlatency<6.11.0-1012.13
6.11.0-1012.13
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-6.11.0-1012-lowlatency-64k<6.11.0-1012.13
6.11.0-1012.13
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-6.11.0-1013-gcp<6.11.0-1013.13
6.11.0-1013.13
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-6.11.0-1013-gcp-64k<6.11.0-1013.13
6.11.0-1013.13
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-6.11.0-1014-oracle<6.11.0-1014.15
6.11.0-1014.15
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-6.11.0-1014-oracle-64k<6.11.0-1014.15
6.11.0-1014.15
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-6.11.0-24-generic<6.11.0-24.24
6.11.0-24.24
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-6.11.0-24-generic-64k<6.11.0-24.24
6.11.0-24.24
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-aws<6.11.0-1012.13
6.11.0-1012.13
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-gcp<6.11.0-1013.13
6.11.0-1013.13
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-gcp-64k<6.11.0-1013.13
6.11.0-1013.13
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-generic<6.11.0-24.24+1
6.11.0-24.24+1
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-generic-64k<6.11.0-24.24+1
6.11.0-24.24+1
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-lowlatency<6.11.0-1012.13
6.11.0-1012.13
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-lowlatency-64k<6.11.0-1012.13
6.11.0-1012.13
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-oracle<6.11.0-1014.15
6.11.0-1014.15
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-oracle-64k<6.11.0-1014.15
6.11.0-1014.15
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-raspi<6.11.0-1011.11
6.11.0-1011.11
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-realtime<6.11.0-1008.8
6.11.0-1008.8
Ubuntu Ubuntu=24.10
All of the following
ubuntu/linux-image-virtual<6.11.0-24.24+1
6.11.0-24.24+1
Ubuntu Ubuntu=24.10
All of the following
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 Ubuntu=24.04
All of the following
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 Ubuntu=24.04
All of the following
ubuntu/linux-image-6.11.0-1020-oem<6.11.0-1020.20
6.11.0-1020.20
Ubuntu Ubuntu=24.04
All of the following
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 Ubuntu=24.04
All of the following
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 Ubuntu=24.04
All of the following
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 Ubuntu=24.04
All of the following
ubuntu/linux-image-generic-hwe-24.04<6.11.0-24.24~24.04.1
6.11.0-24.24~24.04.1
Ubuntu Ubuntu=24.04
All of the following
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 Ubuntu=24.04
All of the following
ubuntu/linux-image-lowlatency-hwe-24.04<6.11.0-1012.13~24.04.1
6.11.0-1012.13~24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-oem-24.04b<6.11.0-1020.20
6.11.0-1020.20
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-virtual-hwe-24.04<6.11.0-24.24~24.04.1
6.11.0-24.24~24.04.1
Ubuntu Ubuntu=24.04
ubuntu/linux-hwe-6.11<6.11.0-24.24~24.04.1
6.11.0-24.24~24.04.1
ubuntu/linux-lowlatency-hwe-6.11<6.11.0-1012.13~24.04.1
6.11.0-1012.13~24.04.1
ubuntu/linux-oem-6.11<6.11.0-1020.20
6.11.0-1020.20

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-1008-realtime to a version that resolves this vulnerability.

    Fixed in 6.11.0-1008.8
  2. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-1011-raspi to a version that resolves this vulnerability.

    Fixed in 6.11.0-1011.11
  3. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-1012-aws to a version that resolves this vulnerability.

    Fixed in 6.11.0-1012.13
  4. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-1012-lowlatency to a version that resolves this vulnerability.

    Fixed in 6.11.0-1012.13
  5. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-1012-lowlatency-64k to a version that resolves this vulnerability.

    Fixed in 6.11.0-1012.13
  6. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-1013-gcp to a version that resolves this vulnerability.

    Fixed in 6.11.0-1013.13
  7. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-1013-gcp-64k to a version that resolves this vulnerability.

    Fixed in 6.11.0-1013.13
  8. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-1014-oracle to a version that resolves this vulnerability.

    Fixed in 6.11.0-1014.15
  9. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-1014-oracle-64k to a version that resolves this vulnerability.

    Fixed in 6.11.0-1014.15
  10. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-24-generic to a version that resolves this vulnerability.

    Fixed in 6.11.0-24.24
  11. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-24-generic-64k to a version that resolves this vulnerability.

    Fixed in 6.11.0-24.24
  12. Upgrade

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

    Fixed in 6.11.0-1012.13
  13. Upgrade

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

    Fixed in 6.11.0-1013.13
  14. Upgrade

    Upgrade ubuntu/linux-image-gcp-64k to a version that resolves this vulnerability.

    Fixed in 6.11.0-1013.13
  15. Upgrade

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

    Fixed in 6.11.0-24.24+1
  16. Upgrade

    Upgrade ubuntu/linux-image-generic-64k to a version that resolves this vulnerability.

    Fixed in 6.11.0-24.24+1
  17. Upgrade

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

    Fixed in 6.11.0-1012.13
  18. Upgrade

    Upgrade ubuntu/linux-image-lowlatency-64k to a version that resolves this vulnerability.

    Fixed in 6.11.0-1012.13
  19. Upgrade

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

    Fixed in 6.11.0-1014.15
  20. Upgrade

    Upgrade ubuntu/linux-image-oracle-64k to a version that resolves this vulnerability.

    Fixed in 6.11.0-1014.15
  21. Upgrade

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

    Fixed in 6.11.0-1011.11
  22. Upgrade

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

    Fixed in 6.11.0-1008.8
  23. Upgrade

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

    Fixed in 6.11.0-24.24+1
  24. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-1012-lowlatency to a version that resolves this vulnerability.

    Fixed in 6.11.0-1012.13~24.04.1
  25. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-1012-lowlatency-64k to a version that resolves this vulnerability.

    Fixed in 6.11.0-1012.13~24.04.1
  26. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-1020-oem to a version that resolves this vulnerability.

    Fixed in 6.11.0-1020.20
  27. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-24-generic to a version that resolves this vulnerability.

    Fixed in 6.11.0-24.24~24.04.1
  28. Upgrade

    Upgrade ubuntu/linux-image-6.11.0-24-generic-64k to a version that resolves this vulnerability.

    Fixed in 6.11.0-24.24~24.04.1
  29. Upgrade

    Upgrade ubuntu/linux-image-generic-64k-hwe-24.04 to a version that resolves this vulnerability.

    Fixed in 6.11.0-24.24~24.04.1
  30. Upgrade

    Upgrade ubuntu/linux-image-generic-hwe-24.04 to a version that resolves this vulnerability.

    Fixed in 6.11.0-24.24~24.04.1
  31. Upgrade

    Upgrade ubuntu/linux-image-lowlatency-64k-hwe-24.04 to a version that resolves this vulnerability.

    Fixed in 6.11.0-1012.13~24.04.1
  32. Upgrade

    Upgrade ubuntu/linux-image-lowlatency-hwe-24.04 to a version that resolves this vulnerability.

    Fixed in 6.11.0-1012.13~24.04.1
  33. Upgrade

    Upgrade ubuntu/linux-image-oem-24.04b to a version that resolves this vulnerability.

    Fixed in 6.11.0-1020.20
  34. Upgrade

    Upgrade ubuntu/linux-image-virtual-hwe-24.04 to a version that resolves this vulnerability.

    Fixed in 6.11.0-24.24~24.04.1
  35. Upgrade

    Upgrade ubuntu/linux-hwe-6.11 to a version that resolves this vulnerability.

    Fixed in 6.11.0-24.24~24.04.1
  36. Upgrade

    Upgrade ubuntu/linux-lowlatency-hwe-6.11 to a version that resolves this vulnerability.

    Fixed in 6.11.0-1012.13~24.04.1
  37. Upgrade

    Upgrade ubuntu/linux-oem-6.11 to a version that resolves this vulnerability.

    Fixed in 6.11.0-1020.20
  38. Upgrade

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

    Patch USN-7445-1

Event History

Apr 23, 2025
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software
Advisory Published
via OSV·12:12 PM
Data Sourced
via OSV·12:12 PM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

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.

2

How do I fix USN-7445-1?

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

3

What systems are affected by USN-7445-1?

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

4

What vulnerabilities are addressed by USN-7445-1?

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

5

When was USN-7445-1 released?

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

Company

Resources

Contact

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