Unrated severityNVD Advisory· Published Dec 31, 2005· Updated Jun 16, 2026
CVE-2005-4783
CVE-2005-4783
Description
kernfs_xread in kernfs_vnops.c in NetBSD before 20050831 does not check for a negative offset when reading the message buffer, which allows local users to read arbitrary kernel memory.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5Patches
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
7- cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.cnvdPatch
- cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diffnvdPatch
- releng.netbsd.org/cgi-bin/req-3.cginvdPatch
- securitytracker.com/idnvdPatch
- www.osvdb.org/20729nvdPatch
- www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txtnvdPatch
- mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.htmlnvd
News mentions
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