Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2009-2793

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
18/09/2009
Last modified:
09/04/2025

Description

The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre-commit failure of the iret instruction, which might allow local users to gain privileges via vectors related to a tempEIP pseudocode variable that is outside of the code-segment limits.

Impact

Vector 2.0
AV:L/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
4.60
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:* 5.0.1 (including)
cpe:2.3:o:netbsd:netbsd:0.8:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:0.9:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.0:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.2:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.2.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.3:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.3.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.3.2:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.3.3:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.5:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.5.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.5.2:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.5.3:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools