Integer overflow in the hrtimer_forward function (hrtimer.c) in Linux kernel 2.6.21-rc4, when running on 64-bit systems, allows local users to cause a denial of service (infinite loop) via a timer with a large expiry value, which causes the timer to always be expired.
git.kernel.org/?p=linux/kernel/git/chris/linux-2.6.git%3Ba=commitdiff%3Bh=13788ccc41ceea5893f9c747c59bc0b28f2416c2
lists.opensuse.org/opensuse-security-announce/2008-06/msg00006.html
secunia.com/advisories/30294
secunia.com/advisories/30368
secunia.com/advisories/30818
secunia.com/advisories/31107
secunia.com/advisories/31628
www.debian.org/security/2008/dsa-1588
www.redhat.com/support/errata/RHSA-2008-0275.html
www.redhat.com/support/errata/RHSA-2008-0585.html
www.securityfocus.com/bid/29294
www.ubuntu.com/usn/usn-625-1
exchange.xforce.ibmcloud.com/vulnerabilities/41827
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9210