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Security Advisory

USN-6768-1: GLib vulnerability

USN-6768-1: GLib vulnerability




Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 22.04


Alicia Boya García discovered that GLib incorrectly handled signal subscriptions. A local attacker could use this issue to spoof D-Bus signals resulting in a variety of impacts including possible privilege escalation. Update Instructions: Run `sudo pro fix USN-6768-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libglib2.0-0 – 2.64.6-1~ubuntu20.04.7 libglib2.0-bin – 2.64.6-1~ubuntu20.04.7 libglib2.0-data – 2.64.6-1~ubuntu20.04.7 libglib2.0-dev – 2.64.6-1~ubuntu20.04.7 libglib2.0-dev-bin – 2.64.6-1~ubuntu20.04.7 libglib2.0-doc – 2.64.6-1~ubuntu20.04.7 libglib2.0-tests – 2.64.6-1~ubuntu20.04.7 No subscription required

CVEs contained in this USN include: CVE-2024-34397.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • cflinuxfs4
    • All versions prior to 1.97.0
  • Jammy Stemcells
    • 1.x versions prior to 1.445
    • All other stemcells not listed.
  • CF Deployment
    • All versions with Jammy Stemcells prior to 1.445


Users of affected products are strongly encouraged to follow the mitigations below.

The Cloud Foundry project recommends upgrading the following releases:

  • cflinuxfs4
    • Upgrade all versions to 1.97.0 or greater
  • Jammy Stemcells
    • Upgrade 1.x versions to 1.445 or greater
    • All other stemcells should be upgraded to the latest version available on
  • CF Deployment
    • For all versions, upgrade Jammy Stemcells to 1.445 or greater


2024-05-30: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR