CVE-2005-4783

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

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

References

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

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