usn-5612-1
Medium
Canonical Ubuntu
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.
Severity is medium unless otherwise noted.
Users of affected products are strongly encouraged to follow the mitigations below.
The Cloud Foundry project recommends upgrading the following releases:
2022-09-22: Initial vulnerability report published.
CPE | Name | Operator | Version |
---|---|---|---|
bionic stemcells | lt | 1.107 | |
cf deployment | lt | 1.107 |