National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-4131 Detail

Current Description

The NFSv4 implementation in the Linux kernel before 3.2.2 does not properly handle bitmap sizes in GETACL replies, which allows remote NFS servers to cause a denial of service (OOPS) by sending an excessive number of bitmap words.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.6 MEDIUM
Vector: (AV:A/AC:H/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.2


Access Vector (AV): Local_Network
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bf118a342f10dafe44b14451a1392c3254629a1f
http://lists.fedoraproject.org/pipermail/package-announce/2012-May/081280.html
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
http://rhn.redhat.com/errata/RHSA-2012-0862.html
http://rhn.redhat.com/errata/RHSA-2012-1541.html
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
http://www.openwall.com/lists/oss-security/2011/11/12/1
https://bugzilla.redhat.com/show_bug.cgi?id=747106
https://github.com/torvalds/linux/commit/bf118a342f10dafe44b14451a1392c3254629a1f

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/o:linux:linux_kernel:3.2
     Show Matching CPE(s)
 cpe:/o:linux:linux_kernel:3.2:rc2
     Show Matching CPE(s)
 cpe:/o:linux:linux_kernel:3.2:rc3
     Show Matching CPE(s)
 cpe:/o:linux:linux_kernel:3.2:rc4
     Show Matching CPE(s)
 cpe:/o:linux:linux_kernel:3.2:rc5
     Show Matching CPE(s)
 cpe:/o:linux:linux_kernel:3.2:rc6
     Show Matching CPE(s)
 cpe:/o:linux:linux_kernel:3.2:rc7
     Show Matching CPE(s)
 cpe:/o:linux:linux_kernel:3.2.1
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-4131
NVD Published Date:
05/17/2012
NVD Last Modified:
12/28/2017