USN-8280-1: Linux kernel vulnerabilities

Published May 19, 2026
·
Updated

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-31431)

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: - Cryptographic API; - Packet sockets; - TLS protocol; (CVE-2026-31504, CVE-2026-31533, CVE-2026-43033, CVE-2026-43077, CVE-2026-43078)

Affected Software

119 affected componentsFixes available
Linux Linux kernel
All of the following
ubuntu/linux-image-5.4.0-1077-xilinx-zynqmp<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-1105-ibm<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-1118-bluefield<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-1133-fips<FIPS-140
FIPS-140
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-1146-kvm<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-1157-oracle<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-1159-aws<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-1159-aws-fips<FIPS-140
FIPS-140
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-1162-gcp<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-1162-gcp-fips<FIPS-140
FIPS-140
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-230-generic<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-230-generic-lpae<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-230-lowlatency<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-aws-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-aws-fips<FIPS-140
FIPS-140
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-aws-fips-5.4<FIPS-140
FIPS-140
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-aws-lts-20.04<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-bluefield<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-bluefield-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-fips<FIPS-140
FIPS-140
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-fips-5.4<FIPS-140
FIPS-140
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-gcp-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-gcp-fips<FIPS-140
FIPS-140
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-gcp-fips-5.4<FIPS-140
FIPS-140
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-gcp-lts-20.04<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-generic<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-generic-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-generic-lpae<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-generic-lpae-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-ibm-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-ibm-lts-20.04<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-kvm<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-kvm-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-lowlatency<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-lowlatency-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-oem<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-oem-osp1<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-oracle-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-oracle-lts-20.04<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-virtual<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-virtual-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-xilinx-zynqmp<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-xilinx-zynqmp-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/linux-image-5.4.0-1105-ibm<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/linux-image-5.4.0-1157-oracle<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/linux-image-5.4.0-1162-gcp<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/linux-image-gcp<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/linux-image-gcp-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/linux-image-ibm<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/linux-image-ibm-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/linux-image-oracle<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/linux-image-oracle-5.4<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
ubuntu/linux-gcp-5.4<5.4.0-1162.171~18.04.1
5.4.0-1162.171~18.04.1
ubuntu/linux-ibm-5.4<5.4.0-1105.110~18.04.1
5.4.0-1105.110~18.04.1
ubuntu/linux-oracle-5.4<5.4.0-1157.167~18.04.1
5.4.0-1157.167~18.04.1
ubuntu/linux<5.4.0-230.250
5.4.0-230.250
ubuntu/linux-aws<5.4.0-1159.169
5.4.0-1159.169
ubuntu/linux-bluefield<5.4.0-1118.125
5.4.0-1118.125
ubuntu/linux-gcp<5.4.0-1162.171
5.4.0-1162.171
ubuntu/linux-ibm<5.4.0-1105.110
5.4.0-1105.110
ubuntu/linux-kvm<5.4.0-1146.155
5.4.0-1146.155
ubuntu/linux-oracle<5.4.0-1157.167
5.4.0-1157.167
ubuntu/linux-xilinx-zynqmp<5.4.0-1077.81
5.4.0-1077.81
ubuntu/linux-aws-fips<5.4.0-1159.169+fips1
5.4.0-1159.169+fips1
ubuntu/linux-fips<5.4.0-1133.143
5.4.0-1133.143
ubuntu/linux-gcp-fips<5.4.0-1162.171+fips1
5.4.0-1162.171+fips1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1077-xilinx-zynqmp to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  2. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1105-ibm to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  3. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1118-bluefield to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  4. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1133-fips to a version that resolves this vulnerability.

    Fixed in FIPS-140
  5. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1146-kvm to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  6. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1157-oracle to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  7. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1159-aws to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  8. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1159-aws-fips to a version that resolves this vulnerability.

    Fixed in FIPS-140
  9. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1162-gcp to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  10. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-1162-gcp-fips to a version that resolves this vulnerability.

    Fixed in FIPS-140
  11. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-230-generic to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  12. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-230-generic-lpae to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  13. Upgrade

    Upgrade ubuntu/linux-image-5.4.0-230-lowlatency to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  14. Upgrade

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

    Fixed in Ubuntu Pro
  15. Upgrade

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

    Fixed in FIPS-140
  16. Upgrade

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

    Fixed in FIPS-140
  17. Upgrade

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

    Fixed in Ubuntu Pro
  18. Upgrade

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

    Fixed in Ubuntu Pro
  19. Upgrade

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

    Fixed in Ubuntu Pro
  20. Upgrade

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

    Fixed in FIPS-140
  21. Upgrade

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

    Fixed in FIPS-140
  22. Upgrade

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

    Fixed in Ubuntu Pro
  23. Upgrade

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

    Fixed in FIPS-140
  24. Upgrade

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

    Fixed in FIPS-140
  25. Upgrade

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

    Fixed in Ubuntu Pro
  26. Upgrade

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

    Fixed in Ubuntu Pro
  27. Upgrade

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

    Fixed in Ubuntu Pro
  28. Upgrade

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

    Fixed in Ubuntu Pro
  29. Upgrade

    Upgrade ubuntu/linux-image-generic-lpae-5.4 to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  30. Upgrade

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

    Fixed in Ubuntu Pro
  31. Upgrade

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

    Fixed in Ubuntu Pro
  32. Upgrade

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

    Fixed in Ubuntu Pro
  33. Upgrade

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

    Fixed in Ubuntu Pro
  34. Upgrade

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

    Fixed in Ubuntu Pro
  35. Upgrade

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

    Fixed in Ubuntu Pro
  36. Upgrade

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

    Fixed in Ubuntu Pro
  37. Upgrade

    Upgrade ubuntu/linux-image-oem-osp1 to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  38. Upgrade

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

    Fixed in Ubuntu Pro
  39. Upgrade

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

    Fixed in Ubuntu Pro
  40. Upgrade

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

    Fixed in Ubuntu Pro
  41. Upgrade

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

    Fixed in Ubuntu Pro
  42. Upgrade

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

    Fixed in Ubuntu Pro
  43. Upgrade

    Upgrade ubuntu/linux-image-xilinx-zynqmp-5.4 to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  44. Upgrade

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

    Fixed in Ubuntu Pro
  45. Upgrade

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

    Fixed in Ubuntu Pro
  46. Upgrade

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

    Fixed in Ubuntu Pro
  47. Upgrade

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

    Fixed in 5.4.0-1162.171~18.04.1
  48. Upgrade

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

    Fixed in 5.4.0-1105.110~18.04.1
  49. Upgrade

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

    Fixed in 5.4.0-1157.167~18.04.1
  50. Upgrade

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

    Fixed in 5.4.0-230.250
  51. Upgrade

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

    Fixed in 5.4.0-1159.169
  52. Upgrade

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

    Fixed in 5.4.0-1118.125
  53. Upgrade

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

    Fixed in 5.4.0-1162.171
  54. Upgrade

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

    Fixed in 5.4.0-1105.110
  55. Upgrade

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

    Fixed in 5.4.0-1146.155
  56. Upgrade

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

    Fixed in 5.4.0-1157.167
  57. Upgrade

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

    Fixed in 5.4.0-1077.81
  58. Upgrade

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

    Fixed in 5.4.0-1159.169+fips1
  59. Upgrade

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

    Fixed in 5.4.0-1133.143
  60. Upgrade

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

    Fixed in 5.4.0-1162.171+fips1
  61. Upgrade

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

    Patch USN-8280-1

Event History

May 19, 2026
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software
Advisory Published
via OSV·10:51 PM
Data Sourced
via OSV·10:51 PM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Company

Resources

Contact

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