National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-4131 Detail

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      Last Modified:  05/17/2012

Quick Info

CVE Dictionary Entry:
CVE-2011-4131
Original release date:
05/17/2012
Last revised:
12/28/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.6 MEDIUM
Vector:
(AV:A/AC:H/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
6.9
Exploitability Subscore:
3.2
CVSS Version 2 Metrics:
Access Vector:
Local network exploitable
Access Complexity:
High
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bf118a342f10dafe44b14451a1392c3254629a1f External Source CONFIRM 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 External Source FEDORA FEDORA-2012-8359
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html External Source SUSE SUSE-SU-2012:0554
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html External Source SUSE openSUSE-SU-2013:0925
http://rhn.redhat.com/errata/RHSA-2012-0862.html External Source REDHAT RHSA-2012:0862
http://rhn.redhat.com/errata/RHSA-2012-1541.html External Source REDHAT RHSA-2012:1541
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2 External Source CONFIRM http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
http://www.openwall.com/lists/oss-security/2011/11/12/1 External Source MLIST [oss-security] 20111111 Re: CVE Request -- kernel: nfs4_getfacl decoding kernel oops
https://bugzilla.redhat.com/show_bug.cgi?id=747106 External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=747106
https://github.com/torvalds/linux/commit/bf118a342f10dafe44b14451a1392c3254629a1f External Source CONFIRM https://github.com/torvalds/linux/commit/bf118a342f10dafe44b14451a1392c3254629a1f

Technical Details

Vulnerability Type (View All)

Change History 2 change records found - show changes