rpms/xorg-x11-server/FC-6 xorg-xserver-1.1.0-dbe-render.diff, NONE, 1.1 xorg-x11-server.spec, 1.184, 1.185

fedora-cvs-commits at redhat.com fedora-cvs-commits at redhat.com
Tue Jan 9 22:54:02 UTC 2007


Author: ajackson

Update of /cvs/dist/rpms/xorg-x11-server/FC-6
In directory cvs.devel.redhat.com:/tmp/cvs-serv21506

Modified Files:
	xorg-x11-server.spec 
Added Files:
	xorg-xserver-1.1.0-dbe-render.diff 
Log Message:
* Tue Jan 09 2007 Adam Jackson <ajax at redhat.com> 1.1.1-47.4.fc6
- xorg-xserver-1.1.0-dbe-render.diff: CVE #2006-6101.


xorg-xserver-1.1.0-dbe-render.diff:
 dbe/dbe.c       |   34 ++++++++++++++++++++++------------
 render/render.c |   15 ++++++++++++---
 2 files changed, 34 insertions(+), 15 deletions(-)

--- NEW FILE xorg-xserver-1.1.0-dbe-render.diff ---
Index: xorg/dbe/dbe.c
===================================================================
RCS file: /cvs/xorg/xserver/xorg/dbe/dbe.c,v
retrieving revision 1.7
diff -u -u -r1.7 dbe.c
--- xorg/dbe/dbe.c	28 Mar 2006 01:20:59 -0000	1.7
+++ xorg/dbe/dbe.c	9 Jan 2007 12:53:54 -0000
@@ -42,6 +42,11 @@
 #endif
 
 #include <string.h>
+#if HAVE_STDINT_H
+#include <stdint.h>
+#elif !defined(UINT32_MAX)
+#define UINT32_MAX 0xffffffffU
+#endif
 
 #include <X11/X.h>
 #include <X11/Xproto.h>
@@ -716,11 +721,14 @@
         return(Success);
     }
 
+    if (nStuff > UINT32_MAX / sizeof(DbeSwapInfoRec))
+	    return BadAlloc;
+
     /* Get to the swap info appended to the end of the request. */
     dbeSwapInfo = (xDbeSwapInfo *)&stuff[1];
 
     /* Allocate array to record swap information. */ 
-    swapInfo = (DbeSwapInfoPtr)ALLOCATE_LOCAL(nStuff * sizeof(DbeSwapInfoRec));
+    swapInfo = (DbeSwapInfoPtr)Xalloc(nStuff * sizeof(DbeSwapInfoRec));
     if (swapInfo == NULL)
     {
         return(BadAlloc);
@@ -735,14 +743,14 @@
         if (!(pWin = SecurityLookupWindow(dbeSwapInfo[i].window, client,
 					  SecurityWriteAccess)))
         {
-            DEALLOCATE_LOCAL(swapInfo);
+            Xfree(swapInfo);
 	    return(BadWindow);
         }
 
         /* Each window must be double-buffered - BadMatch. */
         if (DBE_WINDOW_PRIV(pWin) == NULL)
         {
-            DEALLOCATE_LOCAL(swapInfo);
+            Xfree(swapInfo);
             return(BadMatch);
         }
 
@@ -751,7 +759,7 @@
         {
             if (dbeSwapInfo[i].window == dbeSwapInfo[j].window)
             {
-                DEALLOCATE_LOCAL(swapInfo);
+                Xfree(swapInfo);
                 return(BadMatch);
 	    }
         }
@@ -762,7 +770,7 @@
             (dbeSwapInfo[i].swapAction != XdbeUntouched ) &&
             (dbeSwapInfo[i].swapAction != XdbeCopied    ))
         {
-            DEALLOCATE_LOCAL(swapInfo);
+            Xfree(swapInfo);
             return(BadValue);
         }
 
@@ -792,12 +800,12 @@
         error = (*pDbeScreenPriv->SwapBuffers)(client, &nStuff, swapInfo);
         if (error != Success)
         {
-            DEALLOCATE_LOCAL(swapInfo);
+            Xfree(swapInfo);
             return(error);
         }
     }
     
-    DEALLOCATE_LOCAL(swapInfo);
+    Xfree(swapInfo);
     return(Success);
 
 } /* ProcDbeSwapBuffers() */
@@ -879,10 +887,12 @@
 
     REQUEST_AT_LEAST_SIZE(xDbeGetVisualInfoReq);
 
+    if (stuff->n > UINT32_MAX / sizeof(DrawablePtr))
+	    return BadAlloc;
     /* Make sure any specified drawables are valid. */
     if (stuff->n != 0)
     {
-        if (!(pDrawables = (DrawablePtr *)ALLOCATE_LOCAL(stuff->n *
+        if (!(pDrawables = (DrawablePtr *)Xalloc(stuff->n *
                                                  sizeof(DrawablePtr))))
         {
             return(BadAlloc);
@@ -895,7 +905,7 @@
             if (!(pDrawables[i] = (DrawablePtr)SecurityLookupDrawable(
 				drawables[i], client, SecurityReadAccess)))
             {
-                DEALLOCATE_LOCAL(pDrawables);
+                Xfree(pDrawables);
                 return(BadDrawable);
             }
         }
@@ -907,7 +917,7 @@
     {
         if (pDrawables)
         {
-            DEALLOCATE_LOCAL(pDrawables);
+            Xfree(pDrawables);
         }
 
         return(BadAlloc);
@@ -934,7 +944,7 @@
             /* Free pDrawables if we needed to allocate it above. */
             if (pDrawables)
             {
-                DEALLOCATE_LOCAL(pDrawables);
+                Xfree(pDrawables);
             }
 
             return(BadAlloc);
@@ -1015,7 +1025,7 @@
 
     if (pDrawables)
     {
-        DEALLOCATE_LOCAL(pDrawables);
+        Xfree(pDrawables);
     }
 
     return(client->noClientException);
Index: xorg/render/render.c
===================================================================
RCS file: /cvs/xorg/xserver/xorg/render/render.c,v
retrieving revision 1.13.4.1
diff -u -u -r1.13.4.1 render.c
--- xorg/render/render.c	9 May 2006 22:35:52 -0000	1.13.4.1
+++ xorg/render/render.c	9 Jan 2007 12:53:57 -0000
@@ -49,6 +49,12 @@
 #include <X11/Xfuncproto.h>
 #include "cursorstr.h"
 
+#if HAVE_STDINT_H
+#include <stdint.h>
+#elif !defined(UINT32_MAX)
+#define UINT32_MAX 0xffffffffU
+#endif
+
 static int ProcRenderQueryVersion (ClientPtr pClient);
 static int ProcRenderQueryPictFormats (ClientPtr pClient);
 static int ProcRenderQueryPictIndexValues (ClientPtr pClient);
@@ -1105,11 +1111,14 @@
     }
 
     nglyphs = stuff->nglyphs;
+    if (nglyphs > UINT32_MAX / sizeof(GlyphNewRec))
+	    return BadAlloc;
+
     if (nglyphs <= NLOCALGLYPH)
 	glyphsBase = glyphsLocal;
     else
     {
-	glyphsBase = (GlyphNewPtr) ALLOCATE_LOCAL (nglyphs * sizeof (GlyphNewRec));
+	glyphsBase = (GlyphNewPtr) Xalloc (nglyphs * sizeof (GlyphNewRec));
 	if (!glyphsBase)
 	    return BadAlloc;
     }
@@ -1166,7 +1175,7 @@
     }
 
     if (glyphsBase != glyphsLocal)
-	DEALLOCATE_LOCAL (glyphsBase);
+	Xfree (glyphsBase);
     return client->noClientException;
 bail:
     while (glyphs != glyphsBase)
@@ -1175,7 +1184,7 @@
 	xfree (glyphs->glyph);
     }
     if (glyphsBase != glyphsLocal)
-	DEALLOCATE_LOCAL (glyphsBase);
+	Xfree (glyphsBase);
     return err;
 }
 


Index: xorg-x11-server.spec
===================================================================
RCS file: /cvs/dist/rpms/xorg-x11-server/FC-6/xorg-x11-server.spec,v
retrieving revision 1.184
retrieving revision 1.185
diff -u -r1.184 -r1.185
--- xorg-x11-server.spec	5 Dec 2006 17:14:59 -0000	1.184
+++ xorg-x11-server.spec	9 Jan 2007 22:54:00 -0000	1.185
@@ -3,7 +3,7 @@
 Summary:   X.Org X11 X server
 Name:      xorg-x11-server
 Version:   1.1.1
-Release:   47.3%{?dist}
+Release:   47.4%{?dist}
 URL:       http://www.x.org
 License:   MIT/X11
 Group:     User Interface/X
@@ -28,6 +28,9 @@
 Patch12:   xorg-x11-server-1.1.1-graphics-expose.patch
 Patch13:   xorg-x11-server-1.1.1-xkb-vidmode-switch.patch
 
+# http://xorg.freedesktop.org/releases/X11R7.1/patches/xorg-xserver-1.1.0-dbe-render.diff
+Patch50:   xorg-xserver-1.1.0-dbe-render.diff
+
 # OpenGL compositing manager feature/optimization patches.
 Patch100:  xorg-x11-server-1.1.0-no-move-damage.patch
 Patch101:  xorg-x11-server-1.1.0-dont-backfill-bg-none.patch
@@ -355,6 +358,8 @@
 %patch12 -p1 -b .graphics-expose
 %patch13 -p1 -b .xkb-vidmode-switch
 
+%patch50 -p1 -b .alloca
+
 %patch100 -p0 -b .no-move-damage
 %patch101 -p0 -b .dont-backfill-bg-none
 %patch103 -p0 -b .tfp-damage
@@ -730,6 +735,9 @@
 # -------------------------------------------------------------------
 
 %changelog
+* Tue Jan 09 2007 Adam Jackson <ajax at redhat.com> 1.1.1-47.4.fc6
+- xorg-xserver-1.1.0-dbe-render.diff: CVE #2006-6101.
+
 * Tue Dec 5 2006 Adam Jackson <ajax at redhat.com> 1.1.1-47.3.fc6
 - xorg-x11-server-1.1.1-xf86config-comment-less.patch: Added, makes
   pyxf86config not grow the config file every time it's run.




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