[kernel] r10466 - in dists/etch-security/linux-2.6/debian: . patches/bugfix patches/series

[Bastian Blank]

Author: waldi
Date: Sun Feb 10 14:24:44 2008
New Revision: 10466

Log:
[SECURITY] Fix missing access check in vmsplice.

* debian/changelog: Update.
* debian/patches/bugfix/vmsplice-security.patch: Add.
* debian/patches/series/17etch2: Add new patch.


Added:
   dists/etch-security/linux-2.6/debian/patches/bugfix/vmsplice-security.patch
   dists/etch-security/linux-2.6/debian/patches/series/17etch2
Modified:
   dists/etch-security/linux-2.6/debian/changelog

Modified: dists/etch-security/linux-2.6/debian/changelog
==============================================================================
--- dists/etch-security/linux-2.6/debian/changelog	(original)
+++ dists/etch-security/linux-2.6/debian/changelog	Sun Feb 10 14:24:44 2008
@@ -1,3 +1,11 @@
+linux-2.6 (2.6.18.dfsg.1-17etch2) UNRELEASED; urgency=low
+
+  * bugfix/vmsplice-security.patch
+    [SECURITY] Fix missing access check in vmsplice.
+    See CVE-2008-0009
+
+ -- Bastian Blank <waldi at debian.org>  Sun, 10 Feb 2008 11:45:36 +0100
+
 linux-2.6 (2.6.18.dfsg.1-17etch1) stable-security; urgency=high
 
   * bugfix/i4l-isdn_ioctl-mem-overrun.patch

Added: dists/etch-security/linux-2.6/debian/patches/bugfix/vmsplice-security.patch
==============================================================================
--- (empty file)
+++ dists/etch-security/linux-2.6/debian/patches/bugfix/vmsplice-security.patch	Sun Feb 10 14:24:44 2008
@@ -0,0 +1,28 @@
+diff --git a/fs/splice.c b/fs/splice.c
+index 684bca3..2d7e598 100644
+--- a/fs/splice.c
++++ b/fs/splice.c
+@@ -1122,6 +1122,11 @@ static int get_iovec_page_array(const struct iovec __user *iov,
+ 		size_t len;
+ 		int i;
+ 
++		if (!access_ok(VERIFY_READ, iov, sizeof(struct iovec))) {
++			error = -EFAULT;
++			break;
++		}
++
+ 		/*
+ 		 * Get user address base and length for this iovec.
+ 		 */
+@@ -1141,6 +1146,11 @@ static int get_iovec_page_array(const struct iovec __user *iov,
+ 		if (unlikely(!base))
+ 			break;
+ 
++		if (!access_ok(VERIFY_READ, base, len)) {
++			error = -EFAULT;
++			break;
++		}
++
+ 		/*
+ 		 * Get this base offset and number of pages, then map
+ 		 * in the user pages.

Added: dists/etch-security/linux-2.6/debian/patches/series/17etch2
==============================================================================
--- (empty file)
+++ dists/etch-security/linux-2.6/debian/patches/series/17etch2	Sun Feb 10 14:24:44 2008
@@ -0,0 +1 @@
++ bugfix/vmsplice-security.patch