CVE-2010-2530 Information

Description

Multiple integer signedness errors in smb_subr.c in the netsmb module in the kernel in NetBSD 5.0.2 and earlier FreeBSD and Apple Mac OS X allow local users to cause a denial of service (panic) via a negative size value in a /dev/nsmb ioctl operation as demonstrated by a (1) SMBIOC_LOOKUP or (2) SMBIOC_OPENSESSION ioctl call.

Reference

http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/netsmb/smb_subr.c.diff?r1=1.34&r2=1.35&only_with_tag=MAIN&f=h http://www.openwall.com/lists/oss-security/2010/07/12/6 http://www.openwall.com/lists/oss-security/2010/07/16/2 http://www.securityfocus.com/bid/41557