CVE-2011-4131

Linux Kernel < 3.2.2 - Denial of Service via NFSv4 GETACL Bitmap Handling

Title source: llm

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.

References (11)

Core 11

Core References

Patch x_refsource_confirm

https://github.com/torvalds/linux/commit/bf118a342f10dafe44b14451a1392c3254629a1f

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/48898

Mailing List mailing-list x_refsource_mlist

http://www.openwall.com/lists/oss-security/2011/11/12/1

Issue Tracking x_refsource_confirm

https://bugzilla.redhat.com/show_bug.cgi?id=747106

Patch x_refsource_confirm

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bf118a342f10dafe44b14451a1392c3254629a1f

Vendor Advisory vendor-advisory x_refsource_redhat

http://rhn.redhat.com/errata/RHSA-2012-1541.html

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

http://lists.fedoraproject.org/pipermail/package-announce/2012-May/081280.html

Mailing List vendor-advisory x_refsource_suse

http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html

Vendor Advisory vendor-advisory x_refsource_redhat

http://rhn.redhat.com/errata/RHSA-2012-0862.html

Vendor Advisory x_refsource_confirm

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2

Scores

EPSS 0.0077

EPSS Percentile 52.5%

Details

CWE

CWE-189

Status published

Products (2)

linux/linux_kernel 3.2 (7 CPE variants)

linux/linux_kernel 3.2.1

Published May 17, 2012

Tracked Since Feb 18, 2026