Buffer underflow in the ibwdt_ioctl function in drivers/watchdog/ib700wdt.c in the Linux kernel before 2.6.28-rc1 might allow local users to have an unknown impact via a certain /dev/watchdog WDIOC_SETTIMEOUT IOCTL call.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11344
https://exchange.xforce.ibmcloud.com/vulnerabilities/47667
http://www.ubuntu.com/usn/usn-715-1
http://www.redhat.com/support/errata/RHSA-2009-0014.html
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.28-rc1
http://www.debian.org/security/2009/dsa-1794
http://www.debian.org/security/2009/dsa-1787
http://secunia.com/advisories/35390
http://secunia.com/advisories/35011
http://secunia.com/advisories/34981
http://secunia.com/advisories/33756
http://secunia.com/advisories/33706
http://secunia.com/advisories/33556
http://openwall.com/lists/oss-security/2008/12/17/9
http://openwall.com/lists/oss-security/2008/12/17/6
http://openwall.com/lists/oss-security/2008/12/17/20
http://openwall.com/lists/oss-security/2008/12/10/2
http://lkml.org/lkml/2008/10/5/173
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00003.html