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.

• ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-001.txt.asc
• http://secunia.com/advisories/18388Vendor Advisory
• http://secunia.com/advisories/18712Vendor Advisory
• http://securityreason.com/securityalert/405
• http://www.osvdb.org/22293
• http://www.securityfocus.com/archive/1/423827/100/0/threaded
• http://www.securityfocus.com/bid/16173Patch
• http://www.securitylab.net/research/2006/02/advisory_netbsd_openbsd_kernfs.htmlVendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/24035
• ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-001.txt.asc
• http://secunia.com/advisories/18388Vendor Advisory
• http://secunia.com/advisories/18712Vendor Advisory
• http://securityreason.com/securityalert/405
• http://www.osvdb.org/22293
• http://www.securityfocus.com/archive/1/423827/100/0/threaded
• http://www.securityfocus.com/bid/16173Patch
• http://www.securitylab.net/research/2006/02/advisory_netbsd_openbsd_kernfs.htmlVendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/24035

Published

Jan 9, 2006

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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