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Security Advisory

USN-5810-1: Git vulnerabilities




Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 18.04
  • Canonical Ubuntu 22.04


Markus Vervier and Eric Sesterhenn discovered that Git incorrectly handled certain gitattributes. An attacker could possibly use this issue to cause a crash or execute arbitrary code. (CVE-2022-23521) Joern Schneeweisz discovered that Git incorrectly handled certain commands. An attacker could possibly use this issue to cause a crash or execute arbitrary code. (CVE-2022-41903) Update Instructions: Run `sudo pro fix USN-5810-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: git – 1:2.17.1-1ubuntu0.14 gitweb – 1:2.17.1-1ubuntu0.14 git-all – 1:2.17.1-1ubuntu0.14 git-daemon-sysvinit – 1:2.17.1-1ubuntu0.14 git-el – 1:2.17.1-1ubuntu0.14 gitk – 1:2.17.1-1ubuntu0.14 git-gui – 1:2.17.1-1ubuntu0.14 git-mediawiki – 1:2.17.1-1ubuntu0.14 git-daemon-run – 1:2.17.1-1ubuntu0.14 git-man – 1:2.17.1-1ubuntu0.14 git-doc – 1:2.17.1-1ubuntu0.14 git-svn – 1:2.17.1-1ubuntu0.14 git-cvs – 1:2.17.1-1ubuntu0.14 git-email – 1:2.17.1-1ubuntu0.14 No subscription required

CVEs contained in this USN include: CVE-2022-23521, CVE-2022-41903.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • cflinuxfs3
    • All versions prior to 0.351.0
  • cflinuxfs4
    • All versions prior to 0.57.0
  • CF Deployment
    • All versions prior to 26.4.0


Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

  • cflinuxfs3
    • Upgrade all versions to 0.351.0 or greater
  •  cflinuxfs4
    • Upgrade all versions to 0.57.0 or greater
  •  CF Deployment
    • Upgrade all versions to 26.4.0 or greater



2023-02-23: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR