CVE-2006-3626

CVE-2006-3626 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Race condition in Linux kernel 2.6.17.4 and earlier allows local users to gain root privileges by using prctl with PR_SET_DUMPABLE in a way that causes /proc/self/environ to become setuid root.

Frequently asked questions

What is CVE-2006-3626?
Race condition in Linux kernel 2.6.17.4 and earlier allows local users to gain root privileges by using prctl with PR_SET_DUMPABLE in a way that causes /proc/self/environ to become setuid root.
How severe is CVE-2006-3626?
CVE-2006-3626 has a CVSS 2.0 base score of 6.2, rated medium severity.
Is CVE-2006-3626 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3626?
CVE-2006-3626 primarily affects Linux Linux Kernel. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-3626?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-3626 published?
CVE-2006-3626 was published on 2006-07-18 and last updated on 2026-06-16.

References

Affected products (42)

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