CVE-2005-4783

CVE-2005-4783 is a low-severity vulnerability in Netbsd with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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.

Frequently asked questions

What is 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.
How severe is CVE-2005-4783?
CVE-2005-4783 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2005-4783 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4783?
CVE-2005-4783 primarily affects Netbsd. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-4783?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-4783 published?
CVE-2005-4783 was published on 2005-12-31 and last updated on 2026-06-16.

References

Affected products (4)

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