CVE-2015-4176

Impact:
Moderate
Public Date:
2015-05-06
CWE:
CWE-667
Bugzilla:
1249442: CVE-2015-4176 kernel:deletion of a file or directory could unmount and reveal data under a mount point.
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.

Find out more about CVE-2015-4176 from the MITRE CVE dictionary dictionary and NIST NVD.

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 v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4.9
Base Metrics AV:L/AC:L/Au:N/C:C/I:N/A:N
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact None
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Not affected
Red Hat Enterprise Linux 7 kernel-rt Not affected
Red Hat Enterprise Linux 7 kernel Not affected
Red Hat Enterprise Linux 6 kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected

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