CVEvulnerability

CVE-2014-9717

6.1 MEDIUM Published 2016-05-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-05-02
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
6.1 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
CVSS 2.0 ([email protected])
3.6 LOW — AV:L/AC:L/Au:N/C:P/I:P/A:N
Weaknesses
CWE-284

Description

fs/namespace.c in the Linux kernel before 4.0.2 processes MNT_DETACH umount2 system calls without verifying that the MNT_LOCKED flag is unset, which allows local users to bypass intended access restrictions and navigate to filesystem locations beneath a mount by calling umount2 within a user namespace.

Affected configurations

• linux linux kernel (<= 4.0.1)

Related

Weakness · CWE (1)

  • CWE-284 Improper Access Control weakness

References