CVE-2011-2491

Impact:
Important
Public Date:
2011-05-31
IAVA:
2012-A-0020
Bugzilla:
709393: CVE-2011-2491 kernel: rpc task leak after flock()ing NFS share

The MITRE CVE dictionary describes this issue as:

The Network Lock Manager (NLM) protocol implementation in the NFS client functionality in the Linux kernel before 3.0 allows local users to cause a denial of service (system hang) via a LOCK_UN flock system call.

Find out more about CVE-2011-2491 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

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

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 6 (kernel) RHSA-2011:1189 2011-08-23
Red Hat Enterprise Linux EUS (v. 5.6 server) (kernel) RHSA-2011:1813 2011-12-13
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2011:1253 2011-09-12
Red Hat Enterprise Linux 5 (kernel) RHSA-2011:1212 2011-09-06

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 1.3 realtime-kernel Affected

Acknowledgements

Red Hat would like to thank Vasily Averin for reporting this issue.
Last Modified

CVE description copyright © 2017, The MITRE Corporation