Vulnerability Monitor

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CVE-2006-0145

The kernfs_xread function in kernfs in NetBSD 1.6 through 2.1, and OpenBSD 3.8, does not properly validate file offsets against negative 32-bit values that occur as a result of truncation, which allows local users to read arbitrary kernel memory and gain privileges via the lseek system call.

Security Impact Summary

CVE-2006-0145 is a security vulnerability that . Impacting 1 product from netbsd organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2006, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2006-01-09T23:03:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.6 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	netbsd	netbsd	1.6	Yes
Operating System	netbsd	netbsd	1.6	Yes
Operating System	netbsd	netbsd	1.6.1	Yes
Operating System	netbsd	netbsd	1.6.2	Yes
Operating System	netbsd	netbsd	2.0	Yes
Operating System	netbsd	netbsd	2.0.1	Yes
Operating System	netbsd	netbsd	2.0.2	Yes
Operating System	netbsd	netbsd	2.0.3	Yes
Operating System	netbsd	netbsd	2.1	Yes

References

ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-001.txt.asc ([email protected])
http://secunia.com/advisories/18388 Vendor Advisory ([email protected])
http://secunia.com/advisories/18712 Vendor Advisory ([email protected])
http://securityreason.com/securityalert/405 ([email protected])
http://www.osvdb.org/22293 ([email protected])
http://www.securityfocus.com/archive/1/423827/100/0/threaded ([email protected])
http://www.securityfocus.com/bid/16173 Patch ([email protected])
http://www.securitylab.net/research/2006/02/advisory_netbsd_openbsd_kernfs.html Vendor Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/24035 ([email protected])
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-001.txt.asc (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/18388 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/18712 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securityreason.com/securityalert/405 (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/22293 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/423827/100/0/threaded (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/16173 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitylab.net/research/2006/02/advisory_netbsd_openbsd_kernfs.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/24035 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For netbsd's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.