Vulnerability in NetBSD
CVE-2005-4783
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 2.1 (Low). Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.003 (25.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- NetBSD — versions 1.6, 2.0, 2.0.3
References
- securitytracker.com/id (Patch, vdb-entry)
- cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diff (Patch)
- releng.netbsd.org/cgi-bin/req-3.cgi (Patch)
- www.osvdb.org/20729 (Patch, vdb-entry)
- www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txt (vendor-advisory, Patch)
- mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.html (mailing-list)
- cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c (Patch)