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Vulnerability record · CVE-2010-2530 · published 29 September 2010

CVE-2010-2530: Netbsd vulnerability

Netbsd · Netbsd

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.

4.9 CVSS 2.0 Medium EPSS 0.30% · top 79.3% CWE-189 · CWE-189
4.9CVSS 2.0 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

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.

AV:L/AC:L/Au:N/C:N/I:N/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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
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

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2010-2530), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.