diff options
Diffstat (limited to 'meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2021-4010.patch')
-rw-r--r-- | meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2021-4010.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2021-4010.patch b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2021-4010.patch new file mode 100644 index 0000000000..06ebe7d077 --- /dev/null +++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2021-4010.patch @@ -0,0 +1,39 @@ +Backport patch to fix CVE-2021-4010. + +CVE: CVE-2021-4010 +Upstream-Status: Backport [https://gitlab.freedesktop.org/xorg/xserver/-/commit/6c4c530] + +Signed-off-by: Kai Kang <kai.kang@windriver.com> + +From 6c4c53010772e3cb4cb8acd54950c8eec9c00d21 Mon Sep 17 00:00:00 2001 +From: Povilas Kanapickas <povilas@radix.lt> +Date: Tue, 14 Dec 2021 15:00:02 +0200 +Subject: [PATCH] Xext: Fix out of bounds access in SProcScreenSaverSuspend() + +ZDI-CAN-14951, CVE-2021-4010 + +This vulnerability was discovered and the fix was suggested by: +Jan-Niklas Sohn working with Trend Micro Zero Day Initiative + +Signed-off-by: Povilas Kanapickas <povilas@radix.lt> +--- + Xext/saver.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/Xext/saver.c b/Xext/saver.c +index 1d7e3cadf..f813ba08d 100644 +--- a/Xext/saver.c ++++ b/Xext/saver.c +@@ -1351,8 +1351,8 @@ SProcScreenSaverSuspend(ClientPtr client) + REQUEST(xScreenSaverSuspendReq); + + swaps(&stuff->length); +- swapl(&stuff->suspend); + REQUEST_SIZE_MATCH(xScreenSaverSuspendReq); ++ swapl(&stuff->suspend); + return ProcScreenSaverSuspend(client); + } + +-- +GitLab + |