Severity

medium

Vendor

VMware Tanzu

Versions Affected

• Canonical Ubuntu 16.04
• Canonical Ubuntu 18.04

Description

It was discovered that the IPsec implementation in the Linux kernel did not properly allocate enough memory when performing ESP transformations, leading to a heap-based buffer overflow. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

CVEs contained in this USN include: CVE-2022-27666

Affected VMware Products and Versions

Severity is medium unless otherwise noted.

• Platform Automation Toolkit
  • 4.0.x versions prior to 4.0.13
  • 4.1.x versions prior to 4.1.13
  • 4.2.x versions prior to 4.2.8
  • 4.3.x versions prior to 4.3.5
• Isolation Segment
  • 2.7.x versions prior to 2.7.44, or later versions with Xenial Stemcells prior to 456.252
  • 2.10.x versions prior to 2.10.24, or later versions with Xenial Stemcells prior to 621.224
  • 2.11.x versions prior to 2.11.13, or later versions with Xenial Stemcells prior to 621.224
  • 2.12.x versions prior to 2.12.7, or later versions with Xenial Stemcells prior to 621.224
• Operations Manager
  • 2.9.x versions prior to 2.9.34
  • 2.10.x versions prior to 2.10.34
• VMware Tanzu Application Service for VMs
  • 2.7.x versions prior to 2.7.49, or later versions with Xenial Stemcells prior to 456.252
  • 2.10.x versions prior to 2.10.31, or later versions with Xenial Stemcells prior to 621.224
  • 2.11.x versions prior to 2.11.19, or later versions with Xenial Stemcells prior to 621.224
  • 2.12.x versions prior to 2.12.12, or later versions with Xenial Stemcells prior to 621.224

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:

• Platform Automation Toolkit
  • 4.0.13
  • 4.1.13
  • 4.2.8
  • 4.3.5
• Isolation Segment
  • 2.7.44, and upgrade Xenial Stemcells to 456.252 or greater
  • 2.10.24, and upgrade Xenial Stemcells to 621.224 or greater
  • 2.11.13, and upgrade Xenial Stemcells to 621.224 or greater
  • 2.12.7, and upgrade Xenial Stemcells to 621.224 or greater
• Operations Manager
  • 2.9.34
  • 2.10.34
• VMware Tanzu Application Service for VMs
  • 2.7.49, and upgrade Xenial Stemcells to 456.252 or greater
  • 2.10.31, and upgrade Xenial Stemcells to 621.224 or greater
  • 2.11.19, and upgrade Xenial Stemcells to 621.224 or greater
  • 2.12.12, and upgrade Xenial Stemcells to 621.224 or greater

References

• https://ubuntu.com/security/CVE-2022-27666
• https://ubuntu.com/security/notices/USN-5357-1
• https://cloudfoundry.org/blog/usn-5357-1

History

2022-07-25: Initial vulnerability report published.