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
History
2022-04-21: Initial vulnerability report published.
