CVE-2009-4411

Name	CVE-2009-4411
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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	499076

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
acl (PTS)	bookworm	2.3.1-3	fixed
	trixie	2.3.2-2	fixed
	forky, sid	2.4.0-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
acl	source	etch	(not affected)
acl	source	(unstable)	2.2.49-2	low		499076

Notes

[etch] - acl <not-affected> (Vulnerable code not present)
[lenny] - acl <no-dsa> (Minor issue, symlink attack not always as root)
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=499076#51