CVE-2006-3378

CVE-2006-3378 is a high-severity vulnerability in Ubuntu Ubuntu Linux with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

passwd command in shadow in Ubuntu 5.04 through 6.06 LTS, when called with the -f, -g, or -s flag, does not check the return code of a setuid call, which might allow local users to gain root privileges if setuid fails in cases such as PAM failures or resource limits.

Frequently asked questions

What is CVE-2006-3378?
passwd command in shadow in Ubuntu 5.04 through 6.06 LTS, when called with the -f, -g, or -s flag, does not check the return code of a setuid call, which might allow local users to gain root privileges if setuid fails in cases such as PAM failures or resource limits.
How severe is CVE-2006-3378?
CVE-2006-3378 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2006-3378 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-2006-3378?
CVE-2006-3378 primarily affects Ubuntu Ubuntu Linux. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-3378?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-3378 published?
CVE-2006-3378 was published on 2006-07-06 and last updated on 2026-06-16.

References

Affected products (11)

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