USN-8143-1: Linux kernel vulnerabilities

Published Apr 1, 2026
·
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

43 affected componentsFixes available
ubuntu/linux-aws<4.4.0-1153.159
4.4.0-1153.159
ubuntu/linux-lts-xenial<4.4.0-279.313~14.04.1
4.4.0-279.313~14.04.1
ubuntu/linux<4.4.0-279.313
4.4.0-279.313
ubuntu/linux-aws<4.4.0-1191.206
4.4.0-1191.206
ubuntu/linux-kvm<4.4.0-1154.165
4.4.0-1154.165
All of the following
ubuntu/linux-image-4.4.0-1154-kvm<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-4.4.0-1191-aws<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-4.4.0-279-generic<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-4.4.0-279-lowlatency<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-aws<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-generic<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-generic-lts-xenial<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-kvm<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-lowlatency<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-lowlatency-lts-xenial<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-virtual<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-virtual-lts-xenial<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/linux-image-4.4.0-1153-aws<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-4.4.0-279-generic<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-4.4.0-279-lowlatency<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-aws<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-generic-lts-xenial<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-lowlatency-lts-xenial<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04
All of the following
ubuntu/linux-image-virtual-lts-xenial<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 4.4.0-1153.159
  2. Upgrade

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

    Fixed in 4.4.0-279.313~14.04.1
  3. Upgrade

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

    Fixed in 4.4.0-279.313
  4. Upgrade

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

    Fixed in 4.4.0-1191.206
  5. Upgrade

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

    Fixed in 4.4.0-1154.165
  6. Upgrade

    Upgrade ubuntu/linux-image-4.4.0-1154-kvm to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  7. Upgrade

    Upgrade ubuntu/linux-image-4.4.0-1191-aws to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  8. Upgrade

    Upgrade ubuntu/linux-image-4.4.0-279-generic to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  9. Upgrade

    Upgrade ubuntu/linux-image-4.4.0-279-lowlatency to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  10. Upgrade

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

    Fixed in Ubuntu Pro
  11. Upgrade

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

    Fixed in Ubuntu Pro
  12. Upgrade

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

    Fixed in Ubuntu Pro
  13. Upgrade

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

    Fixed in Ubuntu Pro
  14. Upgrade

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

    Fixed in Ubuntu Pro
  15. Upgrade

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

    Fixed in Ubuntu Pro
  16. Upgrade

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

    Fixed in Ubuntu Pro
  17. Upgrade

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

    Fixed in Ubuntu Pro
  18. Upgrade

    Upgrade ubuntu/linux-image-4.4.0-1153-aws to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  19. Upgrade

    Upgrade linux, linux-aws, linux-kvm, linux-lts-xenial to a version that resolves this vulnerability.

    Patch USN-8143-1

Event History

Apr 1, 2026
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software
Advisory Published
via OSV·09:15 PM
Data Sourced
via OSV·09:15 PM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203