usn-5612-1
USN-5612-1: Intel Microcode vulnerability
Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 18.04
Description
Pietro Borrello, Andreas Kogler, Martin Schwarzl, Daniel Gruss, Michael Schwarz and Moritz Lipp discovered that some Intel processors did not properly clear data between subsequent xAPIC MMIO reads. This could allow a local attacker to compromise SGX enclaves. Update Instructions: Run `sudo ua fix USN-5612-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: intel-microcode – 3.20220809.0ubuntu0.20.04.1 No subscription required
CVEs contained in this USN include: CVE-2022-21233.
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- Bionic Stemcells
- 1.x versions prior to 1.107
- All other stemcells not listed.
- CF Deployment
- All versions with Bionic Stemcells prior to 1.107
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 1.107 or greater
- All other stemcells should be upgraded to the latest version available on bosh.io.
- CF Deployment
- For all versions, upgrade Bionic Stemcells to 1.107 or greater
References
History
2022-09-22: Initial vulnerability report published.
