The collect_rx_frame function in drivers/isdn/hisax/hfc_usb.c in the Linux kernel before 2.6.32-rc7 allows attackers to have an unspecified impact via a crafted HDLC packet that arrives over ISDN and triggers a buffer under-read.
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
http://secunia.com/advisories/37720
http://secunia.com/advisories/37909
http://secunia.com/advisories/38017
http://secunia.com/advisories/38276
https://exchange.xforce.ibmcloud.com/vulnerabilities/54310
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11155
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00777.html
http://www.debian.org/security/2010/dsa-2005
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc7
http://www.mandriva.com/security/advisories?name=MDVSA-2010:030