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Security Advisory

USN-5464-1: E2fsprogs vulnerability


USN-5464-1: E2fsprogs vulnerability




Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 16.04
  • Canonical Ubuntu 18.04


Nils Bars discovered that e2fsprogs incorrectly handled certain file systems. A local attacker could use this issue with a crafted file system image to possibly execute arbitrary code. Update Instructions: Run `sudo ua fix USN-5464-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libss2 – 1.42.13-1ubuntu1.2+esm1 e2fslibs-dev – 1.42.13-1ubuntu1.2+esm1 e2fsprogs – 1.42.13-1ubuntu1.2+esm1 e2fsck-static – 1.42.13-1ubuntu1.2+esm1 e2fslibs – 1.42.13-1ubuntu1.2+esm1 libcomerr2 – 1.42.13-1ubuntu1.2+esm1 Available with UA Infra or UA Desktop: comerr-dev – 2.1-1.42.13-1ubuntu1.2+esm1 Available with UA Infra or UA Desktop: ss-dev – 2.0-1.42.13-1ubuntu1.2+esm1 Available with UA Infra or UA Desktop:

CVEs contained in this USN include: CVE-2022-1304.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Bionic Stemcells
    • 1.x versions prior to 1.88
    • All other stemcells not listed.
  • cflinuxfs3
    • All versions prior to 0.304.0
  • CF Deployment
    • All versions prior to 21.4.0, or later versions with Bionic Stemcells prior to 1.88 or Xenial Stemcells prior to 621.251


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 1.88 or greater
    • All other stemcells should be upgraded to the latest version available on
  • cflinuxfs3
    • Upgrade all versions to 0.304.0 or greater
  • CF Deployment
    • Upgrade all versions to 21.4.0 or greater, upgrade Bionic Stemcells to 1.88 or greater, and upgrade Xenial Stemcells to 621.251 or greater


2022-07-28: Initial vulnerability report published.


Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR