VDB

DEBIAN-CVE-2014-9717

DEBIAN-CVE-2014-9717 PUBLISHED CVSS 6.099999904632568 MEDIUM

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.

Risk Scores

CVSS v3.0
6.099999904632568
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Affected Products

VendorProductVersions
Debian:13linux0, 0, 0
Debian:14linux0, 0, 0
Debian:11linux0, 0, 0
Debian:12linux0, 0, 0

Timeline

  • May 2, 2016 CVE Published
  • Apr 28, 2026 CVE Updated
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