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Security Advisory

USN-6697-1: Bash vulnerability

USN-6697-1: Bash vulnerability




Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 22.04


It was discovered that Bash incorrectly handled certain memory operations when processing commands. If a user or automated system were tricked into running a specially crafted bash file, a remote attacker could use this issue to cause Bash to crash, resulting in a denial of service, or possibly execute arbitrary code. Update Instructions: Run `sudo pro fix USN-6697-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: bash – 5.1-6ubuntu1.1 bash-builtins – 5.1-6ubuntu1.1 bash-doc – 5.1-6ubuntu1.1 bash-static – 5.1-6ubuntu1.1 No subscription required

CVEs contained in this USN include: CVE-2022-3715.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • cflinuxfs4
    • All versions prior to 1.83.0
  • Jammy Stemcells
    • 1.x versions prior to 1.423
    • All other stemcells not listed.
  • CF Deployment
    • All versions with Jammy Stemcells prior to 1.423


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 1.83.0 or greater
  • Jammy Stemcells
    • Upgrade 1.x versions to 1.423 or greater
    • All other stemcells should be upgraded to the latest version available on
  • CF Deployment
    • For all versions, upgrade Jammy Stemcells to 1.423 or greater


2024-05-02: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR