CVE-2011-2491 Information

Description

The Network Lock Manager (NLM) protocol implementation in the NFS client functionality in the Linux kernel before 3.0 allows local users to cause a denial of service (system hang) via a LOCK_UN flock system call.

Reference

http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0b760113a3a155269a3fba93a409c640031dd68f http://rhn.redhat.com/errata/RHSA-2011-1212.html http://www.openwall.com/lists/oss-security/2011/06/23/6 https://bugzilla.redhat.com/show_bug.cgi?id=709393 https://github.com/torvalds/linux/commit/0b760113a3a155269a3fba93a409c640031dd68f