USN-5094-1: Linux kernel vulnerabilities | Cloud Foundry

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04

Description

Several security issues were fixed in the Linux kernel.

CVEs contained in this USN include: CVE-2021-22543, CVE-2021-3679, CVE-2021-37576, CVE-2021-38204, CVE-2021-38205, CVE-2021-3732.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Bionic Stemcells
  • 1.x versions prior to 1.33
  • All other stemcells not listed.
• cflinuxfs3
  • All versions prior to 0.261.0
• 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 1.33 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• cflinuxfs3
  • Upgrade all versions to 0.261.0 or greater
• CF Deployment
  • Upgrade all versions to 16.25.0 or greater

References

• USN Notice
• CVE-2021-22543
• CVE-2021-3679
• CVE-2021-37576
• CVE-2021-38204
• CVE-2021-38205
• CVE-2021-3732

History

2021-10-28: Initial vulnerability report published.