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
Published Sep 29, 2010
4.9
MEDIUMCVSS 2.0
EPSS 0.30%
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.
Affected products
No data.
Configuration 1
- ≤ 5.0.2
- 0.8
- 0.9
- 1.0
- 1.1
- 1.2
- 1.2.1
- 1.3
- 1.3.1
- 1.3.2
- 1.3.3
- 1.4
- 1.4.1
- 1.4.2
- 1.4.3
- 1.5
- 1.5.1
- 1.5.2
- 1.5.3
- 1.6
- 1.6
- 1.6.1
- 1.6.2
- 2.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.1
- 2.1.1
- 3.0
- 3.0.1
- 3.0.2
- 3.1
- 3.99.15
- 4.0
- 4.0
- 4.0.1
- 5.0
- 5.0.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.30% (0.00300) | 20.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.31% (0.00306) | 22.02th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00047) | 11.69th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (4)
- 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 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2010/07/12/6 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2010/07/16/2 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/41557 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| 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 | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2010/07/12/6 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2010/07/16/2 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/41557 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.