CVE-2021-3995 (Medium) detected in util-linuxv2.36.2, util-linuxv2.36 - autoclosed

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CVE-2021-3995 - Medium Severity Vulnerability

Vulnerable Libraries - util-linuxv2.36.2, util-linuxv2.36

Vulnerability Details

A logic error was found in the libmount library of util-linux in the function that allows an unprivileged user to unmount a FUSE filesystem. This flaw allows an unprivileged local attacker to unmount FUSE filesystems that belong to certain other users who have a UID that is a prefix of the UID of the attacker in its string form. An attacker may use this flaw to cause a denial of service to applications that use the affected filesystems.

Publish Date: 2021-11-22

URL: CVE-2021-3995

CVSS 3 Score Details (4.7)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Local
  • Attack Complexity: High
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://security-tracker.debian.org/tracker/CVE-2021-3995

Release Date: 2021-11-22

Fix Resolution: v2.37.3

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✔️ This issue was automatically closed by WhiteSource because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the WhiteSource inventory.

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ℹ️ This issue was automatically re-opened by WhiteSource because the vulnerable library in the specific branch(es) has been detected in the WhiteSource inventory.

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✔️ This issue was automatically closed by WhiteSource because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the WhiteSource inventory.