QID 198349

Date Published: 2021-05-12

QID 198349: Ubuntu Security Notification for Samba vulnerability (USN-4930-1)

Samba incorrectly handled certain negative idmap cache entries

This issue could result in certain users gaining unauthorized access to files, contrary to expected behaviour

  • CVSS V3 rated as Critical - 8.1 severity.
  • CVSS V2 rated as Medium - 5.5 severity.
    • Solution
    Refer to Ubuntu advisory: USN-4930-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198349

    CVE-2021-20254 |
    Software Advisories
    Advisory ID Software Component Link
    USN-4930-1 Ubuntu Linux URL Logo usn.ubuntu.com/4930-1
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