USN-5319-1: Linux kernel vulnerabilities | Cloud Foundry

Severity

High

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 18.04

Description

Enrico Barberis, Pietro Frigo, Marius Muench, Herbert Bos, and Cristiano Giuffrida discovered that hardware mitigations added by Intel to their processors to address Spectre-BTI were insufficient. A local attacker could potentially use this to expose sensitive information.

CVEs contained in this USN include: CVE-2022-0001, CVE-2022-0002.

Affected Cloud Foundry Products and Versions

Severity is high unless otherwise noted.

• Bionic Stemcells
  • 1.x versions prior to 1.67
  • All other stemcells not listed.
• cflinuxfs3
  • All versions prior to 0.276.0
• CF Deployment
  • All versions prior to 19.0.0

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 1.67 or greater
  • All other stemcells should be upgraded to the latest version available on bosh.io.
• cflinuxfs3
  • Upgrade all versions to 0.276.0 or greater
• CF Deployment
  • Upgrade all versions to 19.0.0 or greater

References

• USN Notice
• CVE-2022-0001
• CVE-2022-0002

History

2022-04-21: Initial vulnerability report published.