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.
| Software | From | Fixed in |
|---|---|---|
| netbsd / netbsd | 1.6 | 1.6.x |
| netbsd / netbsd | 2.1 | 2.1.x |
| netbsd / netbsd | 2.0.3 | 2.0.3.x |
| netbsd / netbsd | 2.0 | 2.0.x |
- http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c
- http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diff?r1=1.110&r2=1.111&f=h
- http://mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.html
- http://releng.netbsd.org/cgi-bin/req-3.cgi?show=727
- http://securitytracker.com/id?1015132
- http://www.osvdb.org/20729
- http://www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txt
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