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xorg-x11-server.26499
U_Xext-Fix-out-of-bounds-access-in-SProcScreenS...
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File U_Xext-Fix-out-of-bounds-access-in-SProcScreenSaverSus.patch of Package xorg-x11-server.26499
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); } -- 2.26.2
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