CVE-2011-4131 Information

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.

Reference

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://secunia.com/advisories/48898 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