Public Date:
697975: CVE-2011-1749 nfs-utils: mount.nfs fails to anticipate RLIMIT_FSIZE

The MITRE CVE dictionary describes this issue as:

The nfs_addmntent function in support/nfs/nfs_mntent.c in the mount.nsf tool in nfs-utils before 1.2.4 attempts to append to the /etc/mtab file without first checking whether resource limits would interfere, which allows local users to corrupt this file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089.

Find out more about CVE-2011-1749 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the versions of nfs-utils as shipped with Red Hat Enterprise Linux 4 as it did not include include mount.nfs. It was addressed in Red Hat Enterprise Linux 5 and 6 via RHSA-2012:0310 and RHSA-2011:1534 respectively.

CVSS v2 metrics

Base Score 1.9
Base Metrics AV:L/AC:M/Au:N/C:N/I:P/A:N
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None

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

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 5 (nfs-utils) RHSA-2012:0310 2012-02-21
Red Hat Enterprise Linux 6 (nfs-utils) RHSA-2011:1534 2011-12-05

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 4 nfs-utils Not affected

Last Modified

CVE description copyright © 2017, The MITRE Corporation


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