The kernel is vulnerable to denial of service (DoS). A missing validation check was found in the bcm_release() and raw_release() functions in the Linux kernel’s Controller Area Network (CAN) implementation. This could allow a local, unprivileged user to cause a denial of service.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c6914a6f261aca0c9f715f883a353ae7ff51fe83
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c6914a6f261aca0c9f715f883a353ae7ff51fe83
openwall.com/lists/oss-security/2011/04/20/2
openwall.com/lists/oss-security/2011/04/20/6
openwall.com/lists/oss-security/2011/04/20/7
openwall.com/lists/oss-security/2011/04/21/1
openwall.com/lists/oss-security/2011/04/21/2
openwall.com/lists/oss-security/2011/04/21/7
openwall.com/lists/oss-security/2011/04/22/2
openwall.com/lists/oss-security/2011/04/25/4
permalink.gmane.org/gmane.linux.network/192898
www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.39-rc6
www.securityfocus.com/bid/47503
access.redhat.com/errata/RHSA-2011:0836
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=698057
docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.1_Technical_Notes/kernel.html#RHSA-2011-0836