Cloud Foundry Logo

USN-3891-1: systemd vulnerability


Share

USN-3891-1: systemd vulnerability

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 16.04
  • Canonical Ubuntu 18.04

Description

It was discovered that systemd incorrectly handled certain D-Bus messages. A local unprivileged attacker could exploit this in order to crash the init process, resulting in a system denial-of-service (kernel panic).

CVEs contained in this USN include: CVE-2019-6454

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Cloud Foundry BOSH xenial-stemcells are vulnerable, including:
    • 250.x versions prior to 250.17
    • 170.x versions prior to 170.38
    • 97.x versions prior to 97.65
    • All other stemcells not listed.
  • All versions of Cloud Foundry cflinuxfs3 prior to 0.62.0

Mitigation

Users of affected products are strongly encouraged to follow one of the mitigations below:

  • The Cloud Foundry project recommends upgrading the following BOSH xenial-stemcells:
    • Upgrade 250.x versions to 250.17
    • Upgrade 170.x versions to 170.38
    • Upgrade 97.x versions to 97.65
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs3 version 0.62.0 or later.

References

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR

SEE ALL ARTICLES