CVE-2007-3722

CVE-2007-3722 is a low-severity vulnerability in Freebsd 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

The 4BSD process scheduler in the FreeBSD kernel performs scheduling based on CPU billing gathered from periodic process sampling ticks, which allows local users to cause a denial of service (CPU consumption) by performing voluntary nanosecond sleeps that result in the process not being active during a clock interrupt, as described in "Secretly Monopolizing the CPU Without Superuser Privileges."

Frequently asked questions

What is CVE-2007-3722?
The 4BSD process scheduler in the FreeBSD kernel performs scheduling based on CPU billing gathered from periodic process sampling ticks, which allows local users to cause a denial of service (CPU consumption) by performing voluntary nanosecond sleeps that result in the process not being active during a clock interrupt, as described in "Secretly Monopolizing the CPU Without Superuser Privileges."
How severe is CVE-2007-3722?
CVE-2007-3722 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2007-3722 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3722?
CVE-2007-3722 affects Freebsd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-3722?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-3722 published?
CVE-2007-3722 was published on 2007-07-12 and last updated on 2026-06-16.

References

Affected products (1)

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