Version bump for kernel attribute vulnerabilities, bug #56479.

7 files changed, 90 insertions, 3 deletions

diff --git a/sys-kernel/uclinux-sources/ChangeLog b/sys-kernel/uclinux-sources/ChangeLog
index 3cd8ae979f23..19024d990cd8 100644
--- a/sys-kernel/uclinux-sources/ChangeLog
+++ b/sys-kernel/uclinux-sources/ChangeLog
@@ -1,6 +1,15 @@
 # ChangeLog for sys-kernel/uclinux-sources
 # Copyright 2000-2004 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/sys-kernel/uclinux-sources/ChangeLog,v 1.12 2004/06/30 17:51:14 plasmaroo Exp $
+# $Header: /var/cvsroot/gentoo-x86/sys-kernel/uclinux-sources/ChangeLog,v 1.13 2004/07/09 16:25:39 plasmaroo Exp $
+
+*uclinux-sources-2.6.7_p0-r2 (09 Jul 2004)
+
+  09 Jul 2004; <plasmaroo@gentoo.org> -uclinux-sources-2.4.26_p0-r2.ebuild,
+  +uclinux-sources-2.4.26_p0-r3.ebuild, -uclinux-sources-2.6.7_p0-r1.ebuild,
+  +uclinux-sources-2.6.7_p0-r2.ebuild,
+  +files/uclinux-sources-2.6.ProcPerms.patch,
+  +files/uclinux-sources.CAN-2004-0497.patch:
+  Version bump for kernel attribute vulnerabilities, bug #56479.
 
 *uclinux-sources-2.6.7_p0-r1 (30 Jun 2004)
 
diff --git a/sys-kernel/uclinux-sources/files/digest-uclinux-sources-2.4.26_p0-r2 b/sys-kernel/uclinux-sources/files/digest-uclinux-sources-2.4.26_p0-r3
index 130b229c980e..130b229c980e 100644
--- a/sys-kernel/uclinux-sources/files/digest-uclinux-sources-2.4.26_p0-r2
+++ b/sys-kernel/uclinux-sources/files/digest-uclinux-sources-2.4.26_p0-r3
diff --git a/sys-kernel/uclinux-sources/files/digest-uclinux-sources-2.6.7_p0-r1 b/sys-kernel/uclinux-sources/files/digest-uclinux-sources-2.6.7_p0-r2
index a0d14dcb41a9..a0d14dcb41a9 100644
--- a/sys-kernel/uclinux-sources/files/digest-uclinux-sources-2.6.7_p0-r1
+++ b/sys-kernel/uclinux-sources/files/digest-uclinux-sources-2.6.7_p0-r2
diff --git a/sys-kernel/uclinux-sources/files/uclinux-sources-2.6.ProcPerms.patch b/sys-kernel/uclinux-sources/files/uclinux-sources-2.6.ProcPerms.patch
new file mode 100644
index 000000000000..d90b8d1815d4
--- /dev/null
+++ b/sys-kernel/uclinux-sources/files/uclinux-sources-2.6.ProcPerms.patch
@@ -0,0 +1,49 @@
+# This is a BitKeeper generated diff -Nru style patch.
+#
+# ChangeSet
+#   2004/07/02 18:48:26-07:00 chrisw@osdl.org 
+#   [PATCH] check attr updates in /proc
+#   
+#   Any proc entry with default proc_file_inode_operations allow unauthorized
+#   attribute updates.  This is very dangerous for proc entries that rely
+#   solely on file permissions for open/read/write.
+#   
+#   Signed-off-by: Chris Wright <chrisw@osdl.org>
+#   Signed-off-by: Linus Torvalds <torvalds@osdl.org>
+# 
+# fs/proc/generic.c
+#   2004/07/02 15:47:55-07:00 chrisw@osdl.org +14 -7
+#   check attr updates in /proc
+# 
+diff -Nru a/fs/proc/generic.c b/fs/proc/generic.c
+--- a/fs/proc/generic.c	2004-07-08 17:03:20 -07:00
++++ b/fs/proc/generic.c	2004-07-08 17:03:20 -07:00
+@@ -231,14 +231,21 @@
+ static int proc_notify_change(struct dentry *dentry, struct iattr *iattr)
+ {
+ 	struct inode *inode = dentry->d_inode;
+-	int error = inode_setattr(inode, iattr);
+-	if (!error) {
+-		struct proc_dir_entry *de = PDE(inode);
+-		de->uid = inode->i_uid;
+-		de->gid = inode->i_gid;
+-		de->mode = inode->i_mode;
+-	}
++	struct proc_dir_entry *de = PDE(inode);
++	int error;
+ 
++	error = inode_change_ok(inode, iattr);
++	if (error)
++		goto out;
++
++	error = inode_setattr(inode, iattr);
++	if (error)
++		goto out;
++	
++	de->uid = inode->i_uid;
++	de->gid = inode->i_gid;
++	de->mode = inode->i_mode;
++out:
+ 	return error;
+ }
+ 
diff --git a/sys-kernel/uclinux-sources/files/uclinux-sources.CAN-2004-0497.patch b/sys-kernel/uclinux-sources/files/uclinux-sources.CAN-2004-0497.patch
new file mode 100644
index 000000000000..41b3196f84ea
--- /dev/null
+++ b/sys-kernel/uclinux-sources/files/uclinux-sources.CAN-2004-0497.patch
@@ -0,0 +1,26 @@
+# This is a BitKeeper generated diff -Nru style patch.
+#
+# ChangeSet
+#   2004/07/02 20:55:04-07:00 chrisw@osdl.org 
+#   [PATCH] chown permission check fix for ATTR_GID
+#   
+#   SuSE discovered this problem with chown and ATTR_GID.  Make sure user
+#   is authorized to change the group, CAN-2004-0497.
+# 
+# fs/attr.c
+#   2004/07/02 09:07:32-07:00 chrisw@osdl.org +2 -1
+#   chown permission check fix for ATTR_GID
+# 
+diff -Nru a/fs/attr.c b/fs/attr.c
+--- a/fs/attr.c	2004-07-08 16:35:57 -07:00
++++ b/fs/attr.c	2004-07-08 16:35:57 -07:00
+@@ -35,7 +35,8 @@
+ 
+ 	/* Make sure caller can chgrp. */
+ 	if ((ia_valid & ATTR_GID) &&
+-	    (!in_group_p(attr->ia_gid) && attr->ia_gid != inode->i_gid) &&
++	    (current->fsuid != inode->i_uid ||
++	    (!in_group_p(attr->ia_gid) && attr->ia_gid != inode->i_gid)) &&
+ 	    !capable(CAP_CHOWN))
+ 		goto error;
+ 
diff --git a/sys-kernel/uclinux-sources/uclinux-sources-2.4.26_p0-r2.ebuild b/sys-kernel/uclinux-sources/uclinux-sources-2.4.26_p0-r3.ebuild
index 641edc1dfd51..2620c467454c 100644
--- a/sys-kernel/uclinux-sources/uclinux-sources-2.4.26_p0-r2.ebuild
+++ b/sys-kernel/uclinux-sources/uclinux-sources-2.4.26_p0-r3.ebuild
@@ -1,6 +1,6 @@
 # Copyright 1999-2004 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/sys-kernel/uclinux-sources/uclinux-sources-2.4.26_p0-r2.ebuild,v 1.1 2004/06/25 20:15:29 plasmaroo Exp $
+# $Header: /var/cvsroot/gentoo-x86/sys-kernel/uclinux-sources/uclinux-sources-2.4.26_p0-r3.ebuild,v 1.1 2004/07/09 16:25:39 plasmaroo Exp $
 
 IUSE=""
 
@@ -46,6 +46,7 @@ src_unpack() {
 
 	epatch ${FILESDIR}/${P}.CAN-2004-0394.patch || die "Failed to add the CAN-2004-0394 patch!"
 	epatch ${FILESDIR}/${P}.CAN-2004-0495.patch || die "Failed to add the CAN-2004-0495 patch!"
+	epatch ${FILESDIR}/${PN}.CAN-2004-0497.patch || die "Failed to add the CAN-2004-0497 patch!"
 	epatch ${FILESDIR}/${P}.CAN-2004-0535.patch || die "Failed to add the CAN-2004-0535 patch!"
 	epatch ${FILESDIR}/${P}.FPULockup-53804.patch || die "Failed to apply FPU-lockup patch!"
 
diff --git a/sys-kernel/uclinux-sources/uclinux-sources-2.6.7_p0-r1.ebuild b/sys-kernel/uclinux-sources/uclinux-sources-2.6.7_p0-r2.ebuild
index 10c3dca64c44..4441af2d82fe 100644
--- a/sys-kernel/uclinux-sources/uclinux-sources-2.6.7_p0-r1.ebuild
+++ b/sys-kernel/uclinux-sources/uclinux-sources-2.6.7_p0-r2.ebuild
@@ -1,6 +1,6 @@
 # Copyright 1999-2004 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/sys-kernel/uclinux-sources/uclinux-sources-2.6.7_p0-r1.ebuild,v 1.1 2004/06/30 17:51:14 plasmaroo Exp $
+# $Header: /var/cvsroot/gentoo-x86/sys-kernel/uclinux-sources/uclinux-sources-2.6.7_p0-r2.ebuild,v 1.1 2004/07/09 16:25:39 plasmaroo Exp $
 
 IUSE=""
 
@@ -39,7 +39,9 @@ src_unpack() {
 
 	cd linux-${KV}
 	epatch ../${MY_P/linux/${base}}.${patch} || die "Failed to apply uClinux patch!"
+	epatch ${FILESDIR}/${PN}.CAN-2004-0497.patch || die "Failed to add the CAN-2004-0497 patch!"
 	epatch ${FILESDIR}/${PN}-2.6.IPTables-RDoS.patch || die "Failed to apply the IPTables RDoS security patch!"
+	epatch ${FILESDIR}/${PN}-2.6.ProcPerms.patch || die "Failed to apply the /proc permissions security patch!"
 
 	set MY_ARCH=${ARCH}
 	unset ARCH