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Security Advisory

USN-5086-1: Linux kernel vulnerability

Severity

Unknown

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 16.04
  • Canonical Ubuntu 18.04

Description

IBM s390x systems could be made to crash or run programs as an administrator.

Affected Cloud Foundry Products and Versions

Severity is unknown unless otherwise noted.

  • Bionic Stemcells
    • 1.x versions prior to 1.31
    • All other stemcells not listed.
  • cflinuxfs3
    • All versions prior to 0.260.0
  • CF Deployment
    • All versions prior to 16.25.0

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

  • Bionic Stemcells
    • Upgrade 1.x versions to 1.31 or greater
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • cflinuxfs3
    • Upgrade all versions to 0.260.0 or greater
  • CF Deployment
    • Upgrade all versions to 16.25.0 or greater

References

History

2021-10-28: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR

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