USN-8903-1: Linux kernel vulnerabilities

Published Oct 8, 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

82 affected componentsFixes available
Canonical Linux kernel
All of the following
ubuntu/linux-image-6.8.0-1066-aws<6.8.0-1066.69
6.8.0-1066.69
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-1066-aws-64k<6.8.0-1066.69
6.8.0-1066.69
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-1066-aws-fips<FIPS-140
FIPS-140
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-146-fips<FIPS-140
FIPS-140
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-146-generic<6.8.0-146.146
6.8.0-146.146
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-146-generic-64k<6.8.0-146.146
6.8.0-146.146
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.1-1061-realtime<Real-time
Real-time
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-aws-6.8<6.8.0-1066.69
6.8.0-1066.69
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-aws-64k-6.8<6.8.0-1066.69
6.8.0-1066.69
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-aws-64k-lts-24.04<6.8.0-1066.69
6.8.0-1066.69
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-aws-fips<FIPS-140
FIPS-140
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-aws-fips-6.8<FIPS-140
FIPS-140
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-aws-lts-24.04<6.8.0-1066.69
6.8.0-1066.69
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-fips<FIPS-140
FIPS-140
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-fips-6.8<FIPS-140
FIPS-140
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-generic<6.8.0-146.146
6.8.0-146.146
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-generic-6.8<6.8.0-146.146
6.8.0-146.146
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-generic-64k<6.8.0-146.146
6.8.0-146.146
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-generic-64k-6.8<6.8.0-146.146
6.8.0-146.146
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-generic-lpae<6.8.0-146.146
6.8.0-146.146
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-intel-iot-realtime<Real-time
Real-time
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-intel-iotg<6.8.0-146.146
6.8.0-146.146
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-kvm<6.8.0-146.146
6.8.0-146.146
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-laptop-23.10<6.8.0-146.146
6.8.0-146.146
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-realtime<Real-time
Real-time
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-realtime-6.8.1<Real-time
Real-time
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-virtual<6.8.0-146.146
6.8.0-146.146
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-virtual-6.8<6.8.0-146.146
6.8.0-146.146
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-6.8.0-1066-aws<6.8.0-1066.69~22.04.1
6.8.0-1066.69~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-6.8.0-1066-aws-64k<6.8.0-1066.69~22.04.1
6.8.0-1066.69~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-6.8.1-1061-realtime<Real-time
Real-time
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-aws<6.8.0-1066.69~22.04.1
6.8.0-1066.69~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-aws-6.8<6.8.0-1066.69~22.04.1
6.8.0-1066.69~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-aws-64k<6.8.0-1066.69~22.04.1
6.8.0-1066.69~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-aws-64k-6.8<6.8.0-1066.69~22.04.1
6.8.0-1066.69~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-realtime-6.8.1<Real-time
Real-time
Ubuntu Ubuntu=22.04
All of the following
ubuntu/linux-image-realtime-hwe-22.04<Real-time
Real-time
Ubuntu Ubuntu=22.04
ubuntu/linux-aws-6.8<6.8.0-1066.69~22.04.1
6.8.0-1066.69~22.04.1
ubuntu/linux-realtime-6.8<6.8.1-1061.62~22.04.1
6.8.1-1061.62~22.04.1
ubuntu/linux<6.8.0-146.146
6.8.0-146.146
ubuntu/linux-aws<6.8.0-1066.69
6.8.0-1066.69
ubuntu/linux-realtime<6.8.1-1061.62
6.8.1-1061.62
ubuntu/linux-aws-fips<6.8.0-1066.69+fips1
6.8.0-1066.69+fips1
ubuntu/linux-fips<6.8.0-146.146+fips1
6.8.0-146.146+fips1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1066-aws to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.69
  2. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1066-aws-64k to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.69
  3. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1066-aws-fips to a version that resolves this vulnerability.

    Fixed in FIPS-140
  4. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-146-fips to a version that resolves this vulnerability.

    Fixed in FIPS-140
  5. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-146-generic to a version that resolves this vulnerability.

    Fixed in 6.8.0-146.146
  6. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-146-generic-64k to a version that resolves this vulnerability.

    Fixed in 6.8.0-146.146
  7. Upgrade

    Upgrade ubuntu/linux-image-6.8.1-1061-realtime to a version that resolves this vulnerability.

    Fixed in Real-time
  8. Upgrade

    Upgrade ubuntu/linux-image-aws-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.69
  9. Upgrade

    Upgrade ubuntu/linux-image-aws-64k-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.69
  10. Upgrade

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

    Fixed in 6.8.0-1066.69
  11. Upgrade

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

    Fixed in FIPS-140
  12. Upgrade

    Upgrade ubuntu/linux-image-aws-fips-6.8 to a version that resolves this vulnerability.

    Fixed in FIPS-140
  13. Upgrade

    Upgrade ubuntu/linux-image-aws-lts-24.04 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.69
  14. Upgrade

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

    Fixed in FIPS-140
  15. Upgrade

    Upgrade ubuntu/linux-image-fips-6.8 to a version that resolves this vulnerability.

    Fixed in FIPS-140
  16. Upgrade

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

    Fixed in 6.8.0-146.146
  17. Upgrade

    Upgrade ubuntu/linux-image-generic-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-146.146
  18. Upgrade

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

    Fixed in 6.8.0-146.146
  19. Upgrade

    Upgrade ubuntu/linux-image-generic-64k-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-146.146
  20. Upgrade

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

    Fixed in 6.8.0-146.146
  21. Upgrade

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

    Fixed in Real-time
  22. Upgrade

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

    Fixed in 6.8.0-146.146
  23. Upgrade

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

    Fixed in 6.8.0-146.146
  24. Upgrade

    Upgrade ubuntu/linux-image-laptop-23.10 to a version that resolves this vulnerability.

    Fixed in 6.8.0-146.146
  25. Upgrade

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

    Fixed in Real-time
  26. Upgrade

    Upgrade ubuntu/linux-image-realtime-6.8.1 to a version that resolves this vulnerability.

    Fixed in Real-time
  27. Upgrade

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

    Fixed in 6.8.0-146.146
  28. Upgrade

    Upgrade ubuntu/linux-image-virtual-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-146.146
  29. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1066-aws to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.69~22.04.1
  30. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1066-aws-64k to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.69~22.04.1
  31. Upgrade

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

    Fixed in 6.8.0-1066.69~22.04.1
  32. Upgrade

    Upgrade ubuntu/linux-image-aws-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.69~22.04.1
  33. Upgrade

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

    Fixed in 6.8.0-1066.69~22.04.1
  34. Upgrade

    Upgrade ubuntu/linux-image-aws-64k-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.69~22.04.1
  35. Upgrade

    Upgrade ubuntu/linux-image-realtime-hwe-22.04 to a version that resolves this vulnerability.

    Fixed in Real-time
  36. Upgrade

    Upgrade ubuntu/linux-aws-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.69~22.04.1
  37. Upgrade

    Upgrade ubuntu/linux-realtime-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.1-1061.62~22.04.1
  38. Upgrade

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

    Fixed in 6.8.0-146.146
  39. Upgrade

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

    Fixed in 6.8.0-1066.69
  40. Upgrade

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

    Fixed in 6.8.1-1061.62
  41. Upgrade

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

    Fixed in 6.8.0-1066.69+fips1
  42. Upgrade

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

    Fixed in 6.8.0-146.146+fips1
  43. Upgrade

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

    Patch USN-8903-1

Event History

Oct 8, 2026
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software
Advisory Published
via OSV·12:55 PM
Data Sourced
via OSV·12:55 PM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Company

Resources

Contact

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