Public Date:
822869: CVE-2012-2375 kernel: incomplete fix for CVE-2011-4131

The MITRE CVE dictionary describes this issue as:

The __nfs4_get_acl_uncached function in fs/nfs/nfs4proc.c in the NFSv4 implementation in the Linux kernel before 3.3.2 uses an incorrect length variable during a copy operation, which allows remote NFS servers to cause a denial of service (OOPS) by sending an excessive number of bitmap words in an FATTR4_ACL reply. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-4131.

Find out more about CVE-2012-2375 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4.6
Base Metrics AV:A/AC:H/Au:N/C:N/I:N/A:C
Access Vector Adjacent Network
Access Complexity High
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
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2013:0566 2013-03-06
Red Hat Enterprise Linux version 6 (kernel) RHSA-2012:1580 2012-12-18

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 kernel Not affected


This issue was discovered by Jian Li of Red Hat.