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authorAdam Jackson <ajax@redhat.com>2014-11-10 12:13:44 -0500
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-14 16:14:32 +0100
commitad29acd7697e18333e164b1746f61c5a9e29a436 (patch)
tree98d58abf21745c304f37918e84af780ef502f33a /nx-X11/programs/Xserver
parentddb1235bc621d06bf28309be70c173ae06131edf (diff)
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glx: Top-level length checking for swapped VendorPrivate requests [CVE-2014-8098 4/8]
v2: backport to nx-libs 3.6.x (Mike DePaulo) Reviewed-by: Keith Packard <keithp@keithp.com> Reviewed-by: Julien Cristau <jcristau@debian.org> Reviewed-by: Michal Srb <msrb@suse.com> Reviewed-by: Andy Ritger <aritger@nvidia.com> Signed-off-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Signed-off-by: Fedora X Ninjas <x@fedoraproject.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'nx-X11/programs/Xserver')
-rw-r--r--nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c b/nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c
index 7174fdaec..2685355c0 100644
--- a/nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c
+++ b/nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c
@@ -797,10 +797,12 @@ int __glXSwapRenderLarge(__GLXclientState *cl, GLbyte *pc)
int __glXSwapVendorPrivate(__GLXclientState *cl, GLbyte *pc)
{
+ ClientPtr client = cl->client;
xGLXVendorPrivateReq *req;
GLint vendorcode;
__GLX_DECLARE_SWAP_VARIABLES;
+ REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq);
req = (xGLXVendorPrivateReq *) pc;
__GLX_SWAP_SHORT(&req->length);
@@ -835,10 +837,12 @@ int __glXSwapVendorPrivate(__GLXclientState *cl, GLbyte *pc)
int __glXSwapVendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc)
{
+ ClientPtr client = cl->client;
xGLXVendorPrivateWithReplyReq *req;
GLint vendorcode;
__GLX_DECLARE_SWAP_VARIABLES;
+ REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateWithReplyReq);
req = (xGLXVendorPrivateWithReplyReq *) pc;
__GLX_SWAP_SHORT(&req->length);