How severe is CVE-2007-6712?

CVE-2007-6712 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2007-6712 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6712?

CVE-2007-6712 affects Kernel Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-6712?

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

When was CVE-2007-6712 published?

CVE-2007-6712 was published on 2008-04-12 and last updated on 2026-06-16.

CVE-2007-6712

CVE-2007-6712 is a medium-severity vulnerability in Kernel Linux Kernel with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Kernel Linux Kernel
Published: 2008-04-12
Last modified: 2026-06-16

Description

Integer overflow in the hrtimer_forward function (hrtimer.c) in Linux kernel 2.6.21-rc4, when running on 64-bit systems, allows local users to cause a denial of service (infinite loop) via a timer with a large expiry value, which causes the timer to always be expired.

Frequently asked questions

What is CVE-2007-6712?: Integer overflow in the hrtimer_forward function (hrtimer.c) in Linux kernel 2.6.21-rc4, when running on 64-bit systems, allows local users to cause a denial of service (infinite loop) via a timer with a large expiry value, which causes the timer to always be expired.
How severe is CVE-2007-6712?: CVE-2007-6712 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2007-6712 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6712?: CVE-2007-6712 affects Kernel Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-6712?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-6712 published?: CVE-2007-6712 was published on 2008-04-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:kernel:linux_kernel:2.6.21_rc4:*:x64:*:*:*:*:*

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