Bug 314617 (CVE-2010-1146)

Summary:	Kernel: reiserfs wrong permissions in .reiserfs_privs (CVE-2010-1146)
Product:	Gentoo Security	Reporter:	Tomás Touceda (RETIRED) <chiiph>
Component:	Kernel	Assignee:	Gentoo Security <security>
Status:	RESOLVED FIXED
Severity:	normal	CC:	hardened-kernel+disabled, kernel
Priority:	High
Version:	unspecified
Hardware:	All
OS:	Linux
URL:	http://marc.info/?l=linux-kernel&m=127076012022155&w=2
Whiteboard:	[linux < 2.6.32] [linux >=2.6.32 < 22.6.32.13] [linux >= 2.6.33 < 2.6.34]
Package list:		Runtime testing required:	---

Description Tomás Touceda (RETIRED) gentoo-dev

2010-04-11 06:02:19 UTC

As said in [0]:

The kernel allows processes to access the internal ".reiserfs_priv" directory
at the top of a reiserfs filesystem which is used to store xattrs.  Permissions
are not enforced in that tree, so unprivileged users can view and potentially
modify the xattrs on arbitrary files.

Since the patch (see URL) has been submitted in 2010-04-08, every kernel version available's affected.

[0] https://bugzilla.redhat.com/show_bug.cgi?id=568041