CVE-2020-12114

A pivot_root race condition in fs/namespace.c in the Linux kernel 4.4.x before 4.4.221, 4.9.x before 4.9.221, 4.14.x before 4.14.178, 4.19.x before 4.19.119, and 5.x before 5.3 allows local users to cause a denial of service (panic) by corrupting a mountpoint reference counter.

• CVE ID
• CVE-2020-12114

• Assigner
• cve@mitre.org

• Vulnerability Status
• Modified

• Published Version
• 2020-05-04T12:15:12

• Last Modified Date
• 2021-06-14T18:15:21

• Version
• 2.0

• Vector String
• AV:L/AC:M/Au:N/C:N/I:N/A:P

• Access Vector
• LOCAL

• Access Compatibility
• MEDIUM

• Authentication
• NONE

• Confidentiality Impact
• NONE

• Integrity Impact
• NONE

• Availability Impact
• PARTIAL

• Base Score
• 1.9

• Severity
• LOW

• Exploitability Score
• 3.4

• Impact Score
• 2.9

• Version
• 3.1

• Vector String
• CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

• Attack Vector
• LOCAL

• Attack Compatibility
• HIGH

• Privileges Required
• LOW

• User Interaction
• NONE

• Scope
• UNCHANGED

• Confidentiality Impact
• NONE

• Availability Impact
• HIGH

• Base Score
• 4.7

• Base Severity
• MEDIUM

• Exploitability Score
• 1

• Impact Score
• 3.6