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.

2.1

CVSS

Severity: Low

CVSS 2.0 •

EPSS 0.08%

Vendor Advisory packetstormsecurity.org

Affected: n/a n/a

References

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

Frequently Asked Questions

What is the severity of CVE-2005-4783?: CVE-2005-4783 has been scored as a low severity vulnerability.
How to fix CVE-2005-4783?: To fix CVE-2005-4783, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2005-4783 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2005-4783 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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