National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2010-0789 Detail


fusermount in FUSE before 2.7.5, and 2.8.x before 2.8.2, allows local users to unmount an arbitrary FUSE filesystem share via a symlink attack on a mountpoint.

Source:  MITRE      Last Modified:  03/02/2010

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
3.3 LOW
(AV:L/AC:M/Au:N/C:N/I:P/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (04/07/2010)

Red Hat is aware of this issue and is tracking it via the following bug: This issue affects Red Hat Enterprise Linux 5 because it ships fusermount suid root, however the impact of this flaw is minimized due to the fact that only members in group fuse may use it the executable is owned root:fuse and mode 4750. Red Hat Enterprise Linux 3 and 4 do not provide the fuse package. The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here:

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to

Hyperlink Resource Type Source Name External Source CONFIRM External Source FEDORA FEDORA-2010-1140 External Source FEDORA FEDORA-2010-1159 External Source SUSE SUSE-SR:2010:003 External Source SUSE SUSE-SR:2010:011 External Source SUSE SUSE-SR:2010:013 Patch External Source CONFIRM External Source CONFIRM Patch External Source DEBIAN DSA-1989 Patch External Source BID 37983 External Source UBUNTU USN-892-1 External Source VUPEN ADV-2010-1107 Patch External Source CONFIRM External Source CONFIRM External Source XF fuse-fusermount-dos(55945)

Technical Details

Vulnerability Type (View All)

Change History 2 change records found - show changes