CVE-2011-4131

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Summary

CVECVE-2011-4131
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-05-17 11:00:33 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 4.6 from [email protected]

AV:A/AC:H/Au:N/C:N/I:N/A:C

Problem Types: CWE-189 | n/a

CVSS v2.0 Breakdown

Access Vector
Adjacent
Access Complexity
High
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:A/AC:H/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel 3.2 All All All
Operating System Linux Linux Kernel 3.2 rc2 All All
Operating System Linux Linux Kernel 3.2 rc3 All All
Operating System Linux Linux Kernel 3.2 rc4 All All
Operating System Linux Linux Kernel 3.2 rc5 All All
Operating System Linux Linux Kernel 3.2 rc6 All All
Operating System Linux Linux Kernel 3.2 rc7 All All
Operating System Linux Linux Kernel 3.2.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
NFSv4: include bitmap in nfsv4 get acl data · torvalds/linux@bf118a3 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2 af854a3a-2127-422b-91ae-364da2661108 www.kernel.org
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
[SECURITY] Fedora 16 Update: kernel-3.3.7-1.fc16 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
access.redhat.com af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
Bug 747106 – CVE-2011-4131 kernel: nfs4_getfacl decoding kernel oops af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
[security-announce] SUSE-SU-2012:0554-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Security Advisory SA48898 - SUSE update for kernel - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org
[security-announce] openSUSE-SU-2013:0925-1: important: kernel: security af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
oss-security - Re: CVE Request -- kernel: nfs4_getfacl decoding kernel oops af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
kernel/git/torvalds/linux.git - Linux kernel source tree MITRE git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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