How severe is CVE-2006-6655?

CVE-2006-6655 has a CVSS 2.0 base score of 1.7, rated low severity.

Is CVE-2006-6655 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6655?

CVE-2006-6655 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-2006-6655?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-6655 published?

CVE-2006-6655 was published on 2006-12-20 and last updated on 2026-06-16.

CVE-2006-6655

CVE-2006-6655 is a low-severity vulnerability in Netbsd with a CVSS 2.0 base score of 1.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 1.7)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netbsd
Published: 2006-12-20
Last modified: 2026-06-16

Description

The procfs implementation in NetBSD-current before 20061023, NetBSD 3.0 and 3.0.1 before 20061024, and NetBSD 2.x before 20061029 allows local users to cause a denial of service (kernel panic) by attempting to access /emul/linux/proc/0/stat on a procfs filesystem that was mounted with mount_procfs -o linux, which results in a NULL pointer dereference.

Frequently asked questions

What is CVE-2006-6655?: The procfs implementation in NetBSD-current before 20061023, NetBSD 3.0 and 3.0.1 before 20061024, and NetBSD 2.x before 20061029 allows local users to cause a denial of service (kernel panic) by attempting to access /emul/linux/proc/0/stat on a procfs filesystem that was mounted with mount_procfs -o linux, which results in a NULL pointer dereference.
How severe is CVE-2006-6655?: CVE-2006-6655 has a CVSS 2.0 base score of 1.7, rated low severity.
Is CVE-2006-6655 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6655?: CVE-2006-6655 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-2006-6655?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6655 published?: CVE-2006-6655 was published on 2006-12-20 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:o:netbsd:netbsd:2.0:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:2.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:3.0:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:3.0.1:*:*:*:*:*:*:*

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