CVE-2009-4411

CVE-2009-4411 is a low-severity vulnerability in Xfs Acl with a CVSS 2.0 base score of 3.7. 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 (1) setfacl and (2) getfacl commands in XFS acl 2.2.47, when running in recursive (-R) mode, follow symbolic links even when the --physical (aka -P) or -L option is specified, which might allow local users to modify the ACL for arbitrary files or directories via a symlink attack.

Frequently asked questions

What is CVE-2009-4411?
The (1) setfacl and (2) getfacl commands in XFS acl 2.2.47, when running in recursive (-R) mode, follow symbolic links even when the --physical (aka -P) or -L option is specified, which might allow local users to modify the ACL for arbitrary files or directories via a symlink attack.
How severe is CVE-2009-4411?
CVE-2009-4411 has a CVSS 2.0 base score of 3.7, rated low severity.
Is CVE-2009-4411 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4411?
CVE-2009-4411 affects Xfs Acl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-4411?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4411 published?
CVE-2009-4411 was published on 2009-12-24 and last updated on 2026-06-16.

References

Affected products (1)

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