CVE-2007-3740

CVE-2007-3740 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 4.4. 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-264.

Key facts

Description

The CIFS filesystem in the Linux kernel before 2.6.22, when Unix extension support is enabled, does not honor the umask of a process, which allows local users to gain privileges.

Frequently asked questions

What is CVE-2007-3740?
The CIFS filesystem in the Linux kernel before 2.6.22, when Unix extension support is enabled, does not honor the umask of a process, which allows local users to gain privileges.
How severe is CVE-2007-3740?
CVE-2007-3740 has a CVSS 2.0 base score of 4.4, rated medium severity.
Is CVE-2007-3740 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3740?
CVE-2007-3740 primarily affects Linux Linux Kernel. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-3740?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-3740 published?
CVE-2007-3740 was published on 2007-09-14 and last updated on 2026-06-16.

References

Affected products (30)

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