diff options
Diffstat (limited to 'import-layers/yocto-poky/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2017-10971-2.patch')
-rw-r--r-- | import-layers/yocto-poky/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2017-10971-2.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2017-10971-2.patch b/import-layers/yocto-poky/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2017-10971-2.patch new file mode 100644 index 0000000000..5c9887afa1 --- /dev/null +++ b/import-layers/yocto-poky/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2017-10971-2.patch @@ -0,0 +1,55 @@ +From 8caed4df36b1f802b4992edcfd282cbeeec35d9d Mon Sep 17 00:00:00 2001 +From: Michal Srb <msrb@suse.com> +Date: Wed, 24 May 2017 15:54:41 +0300 +Subject: [PATCH] Xi: Verify all events in ProcXSendExtensionEvent. + +The requirement is that events have type in range +EXTENSION_EVENT_BASE..lastEvent, but it was tested +only for first event of all. + +Signed-off-by: Michal Srb <msrb@suse.com> +Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> +Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> + +CVE: CVE-2017-10971 + +Upstream-Status: Backport [https://cgit.freedesktop.org/xorg/xserver/commit/?id=8caed4df36b1f802b4992edcfd282cbeeec35d9d] + +Signed-off-by: Jackie Huang <jackie.huang@windriver.com> +--- + Xi/sendexev.c | 12 +++++++----- + 1 file changed, 7 insertions(+), 5 deletions(-) + +diff --git a/Xi/sendexev.c b/Xi/sendexev.c +index 1cf118a..5e63bfc 100644 +--- a/Xi/sendexev.c ++++ b/Xi/sendexev.c +@@ -117,7 +117,7 @@ SProcXSendExtensionEvent(ClientPtr client) + int + ProcXSendExtensionEvent(ClientPtr client) + { +- int ret; ++ int ret, i; + DeviceIntPtr dev; + xEvent *first; + XEventClass *list; +@@ -141,10 +141,12 @@ ProcXSendExtensionEvent(ClientPtr client) + /* The client's event type must be one defined by an extension. */ + + first = ((xEvent *) &stuff[1]); +- if (!((EXTENSION_EVENT_BASE <= first->u.u.type) && +- (first->u.u.type < lastEvent))) { +- client->errorValue = first->u.u.type; +- return BadValue; ++ for (i = 0; i < stuff->num_events; i++) { ++ if (!((EXTENSION_EVENT_BASE <= first[i].u.u.type) && ++ (first[i].u.u.type < lastEvent))) { ++ client->errorValue = first[i].u.u.type; ++ return BadValue; ++ } + } + + list = (XEventClass *) (first + stuff->num_events); +-- +1.7.9.5 + |