CVE-2009-4410

CVE-2009-4410 is a medium-severity vulnerability in Linux 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.

Key facts

Description

The fuse_ioctl_copy_user function in the ioctl handler in fs/fuse/file.c in the Linux kernel 2.6.29-rc1 through 2.6.30.y uses the wrong variable in an argument to the kunmap function, which allows local users to cause a denial of service (panic) via unknown vectors.

Frequently asked questions

What is CVE-2009-4410?
The fuse_ioctl_copy_user function in the ioctl handler in fs/fuse/file.c in the Linux kernel 2.6.29-rc1 through 2.6.30.y uses the wrong variable in an argument to the kunmap function, which allows local users to cause a denial of service (panic) via unknown vectors.
How severe is CVE-2009-4410?
CVE-2009-4410 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2009-4410 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4410?
CVE-2009-4410 primarily affects Linux Linux Kernel. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4410?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4410 published?
CVE-2009-4410 was published on 2009-12-24 and last updated on 2026-06-16.

References

Affected products (33)

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