CVE-2010-2530: Apple Mac OS X

Medium severity, CVSS 4.9. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Apple Mac OS X: any version
• Freebsd Freebsd: any version
• Netbsd Netbsd: up to and including 5.0.2; version 0.8 only; version 0.9 only; version 1.0 only; version 1.1 only; version 1.2 only; …

Published 2010-09-29. Last modified 2026-06-16.