Severity

high

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04
• Canonical Ubuntu 22.04

Description

Benoit Morgan, Paul Grosen, Thais Moreira Hamasaki, Ke Sun, Alyssa Milburn, Hisham Shafi, Nir Shlomovich, Tavis Ormandy, Daniel Moghimi, Josh Eads, Salman Qazi, Alexandra Sandulescu, Andy Nguyen, Eduardo Vela, Doug Kwan, and Kostik Shtoyk discovered that some Intel(R) Processors did not properly handle certain sequences of processor instructions. A local attacker could possibly use this to cause a core hang (resulting in a denial of service), gain access to sensitive information or possibly escalate their privileges. Update Instructions: Run `sudo pro fix USN-6485-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: intel-microcode - 3.20231114.0ubuntu0.16.04.1+esm1 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

CVEs contained in this USN include: CVE-2023-23583

Affected VMware Products and Versions

Severity is high unless otherwise noted.

• Isolation Segment
  • 2.8.x versions with Xenial Stemcells prior to 621.759
  • 2.9.x versions with Xenial Stemcells prior to 621.759
  • 2.10.x versions with Xenial Stemcells prior to 621.759
  • 2.11.x versions with Xenial Stemcells prior to 621.759
  • 2.12.x versions with Xenial Stemcells prior to 621.759
  • 2.13.x versions with Xenial Stemcells prior to 621.759
  • 3.0.x versions with Jammy Stemcells prior to 1.301
  • 4.0.x versions with Jammy Stemcells prior to 1.301
• Operations Manager
  • 2.10.x versions prior to 2.10.66
  • 3.0.x versions prior to 3.0.20+LTS-T
• Redis for Pivotal Platform
  • 3.2.x versions with Jammy Stemcells prior to 1.301
  • 3.3.x versions with Jammy Stemcells prior to 1.301
• VMware Tanzu Application Service for VMs
  • 2.8.x versions with Xenial Stemcells prior to 621.759
  • 2.9.x versions with Xenial Stemcells prior to 621.759
  • 2.10.x versions with Xenial Stemcells prior to 621.759
  • 2.11.x versions with Xenial Stemcells prior to 621.759
  • 2.12.x versions with Xenial Stemcells prior to 621.759
  • 2.13.x versions with Xenial Stemcells prior to 621.759
  • 3.0.x versions with Jammy Stemcells prior to 1.301
  • 4.0.x versions with Jammy Stemcells prior to 1.301

Mitigation

Users of affected products are strongly encouraged to follow the mitigation below. On the Tanzu Network product page for each release, check the Depends On section and/or Release Notes for this information. Releases that have fixed this issue include:

• Isolation Segment
  • 2.8.x: Upgrade Xenial Stemcells to 621.759 or greater
  • 2.9.x: Upgrade Xenial Stemcells to 621.759 or greater
  • 2.10.x: Upgrade Xenial Stemcells to 621.759 or greater
  • 2.11.x: Upgrade Xenial Stemcells to 621.759 or greater
  • 2.12.x: Upgrade Xenial Stemcells to 621.759 or greater
  • 2.13.x: Upgrade Xenial Stemcells to 621.759 or greater
  • 3.0.x: Upgrade Jammy Stemcells to 1.301 or greater
  • 4.0.x: Upgrade Jammy Stemcells to 1.301 or greater
• Operations Manager
  • 2.10.66
  • 3.0.20+LTS-T
• Redis for Pivotal Platform
  • 3.2.x: Upgrade Jammy Stemcells to 1.301 or greater
  • 3.3.x: Upgrade Jammy Stemcells to 1.301 or greater
• VMware Tanzu Application Service for VMs
  • 2.8.x: Upgrade Xenial Stemcells to 621.759 or greater
  • 2.9.x: Upgrade Xenial Stemcells to 621.759 or greater
  • 2.10.x: Upgrade Xenial Stemcells to 621.759 or greater
  • 2.11.x: Upgrade Xenial Stemcells to 621.759 or greater
  • 2.12.x: Upgrade Xenial Stemcells to 621.759 or greater
  • 2.13.x: Upgrade Xenial Stemcells to 621.759 or greater
  • 3.0.x: Upgrade Jammy Stemcells to 1.301 or greater
  • 4.0.x: Upgrade Jammy Stemcells to 1.301 or greater

References

• https://ubuntu.com/security/CVE-2023-23583
• https://ubuntu.com/security/notices/USN-6485-1
• https://cloudfoundry.org/blog/usn-6485-1

History

2023-12-04: Initial vulnerability report published.