USN-8730-3: Linux kernel (Azure) vulnerability

Published Sep 18, 2026
·
Updated

A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems:

Affected Software

21 affected componentsFixes available
Linux Linux kernel (Azure)
All of the following
ubuntu/linux-image-5.15.0-1121-azure-fips<FIPS-140
FIPS-140
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-azure-fips<FIPS-140
FIPS-140
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-azure-fips-5.15<FIPS-140
FIPS-140
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-5.15.0-1120-azure-fde<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.15.0-1121-azure<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-azure<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-azure-5.15<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-azure-cvm<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-azure-fde<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-azure-fde-5.15<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-5.15.0-1121-azure-fips to a version that resolves this vulnerability.

    Fixed in FIPS-140
  2. Upgrade

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

    Fixed in FIPS-140
  3. Upgrade

    Upgrade ubuntu/linux-image-azure-fips-5.15 to a version that resolves this vulnerability.

    Fixed in FIPS-140
  4. Upgrade

    Upgrade ubuntu/linux-image-5.15.0-1120-azure-fde to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  5. Upgrade

    Upgrade ubuntu/linux-image-5.15.0-1121-azure to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  6. Upgrade

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

    Fixed in Ubuntu Pro
  7. Upgrade

    Upgrade ubuntu/linux-image-azure-5.15 to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  8. Upgrade

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

    Fixed in Ubuntu Pro
  9. Upgrade

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

    Fixed in Ubuntu Pro
  10. Upgrade

    Upgrade ubuntu/linux-image-azure-fde-5.15 to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro

Event History

Sep 18, 2026
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
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