CVE Database›Document archive›CVE-2015-4176

CVE-2015-4176

kernel: deletion of a file or directory could unmount and reveal data under a mount point.

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Severity

Moderate

Red Hat Product Security

4.9

CVSS 2.0

Review impact separately from score.

Published · May 6, 2015

Updated · November 21, 2025

Description

A flaw was found in the Linux kernel where the deletion of a file or directory could trigger an unmount and reveal data under a mount point. This flaw was inadvertently introduced with the new feature of being able to lazily unmount a mount tree when using file system user namespaces.

Statement

Not vulnerable. This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 4.9
AV:L/AC:L/Au:N/C:C/I:N/A:N

CWE-667 · Improper Locking