USN-5731-1: multipath-tools vulnerabilities | Cloud Foundry

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

• Canonical Ubuntu 18.04

Description

It was discovered that multipath-tools incorrectly handled symlinks. A local attacker could possibly use this issue, in combination with other issues, to escalate privileges. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-41973) It was discovered that multipath-tools incorrectly handled access controls. A local attacker could possibly use this issue, in combination with other issues, to escalate privileges. (CVE-2022-41974) Update Instructions: Run sudo pro fix USN-5731-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: kpartx-boot – 0.8.3-1ubuntu2.1 multipath-tools-boot – 0.8.3-1ubuntu2.1 kpartx – 0.8.3-1ubuntu2.1 multipath-tools – 0.8.3-1ubuntu2.1 No subscription required

CVEs contained in this USN include: CVE-2022-41973, CVE-2022-41974.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

• Bionic Stemcells
  • 1.x versions prior to 1.41
  • All other stemcells not listed.
• CF Deployment
  • All versions with Bionic Stemcells prior to 1.41

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 1.41 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 1.41 or greater

References

• USN Notice
• CVE-2022-41973
• CVE-2022-41974

History

2022-12-07: Initial vulnerability report published.