Unrated severityNVD Advisory· Published Dec 31, 2005· Updated Jun 16, 2026

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

NetBSD/NetBSD5 versions
cpe:2.3:o:netbsd:netbsd:1.6:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:netbsd:netbsd:1.6:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:2.0.3:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:2.0:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:2.1:*:*:*:*:*:*:*
- (no CPE)range: <20050831

Patches

Vulnerability mechanics

References

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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