Multiple stack-based buffer overflows in the iriap_getvaluebyclass_indication function in net/irda/iriap.c in the Linux kernel before 2.6.39 allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging connectivity to an IrDA infrared network and sending a large integer value for a (1) name length or (2) attribute length.
https://github.com/torvalds/linux/commit/d370af0ef7951188daeb15bae75db7ba57c67846
http://www.openwall.com/lists/oss-security/2011/03/22/11
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39