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34 lines
1008 B
34 lines
1008 B
From 67425fcab50ef24a5617e109897f38876dd81277 Mon Sep 17 00:00:00 2001 |
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From: Povilas Kanapickas <povilas@radix.lt> |
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Date: Tue, 14 Dec 2021 15:00:02 +0200 |
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Subject: [PATCH xserver 3/4] Xext: Fix out of bounds access in |
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SProcScreenSaverSuspend() |
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ZDI-CAN-14951, CVE-2021-4010 |
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This vulnerability was discovered and the fix was suggested by: |
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Jan-Niklas Sohn working with Trend Micro Zero Day Initiative |
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Signed-off-by: Povilas Kanapickas <povilas@radix.lt> |
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(cherry picked from commit 6c4c53010772e3cb4cb8acd54950c8eec9c00d21) |
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--- |
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Xext/saver.c | 2 +- |
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1 file changed, 1 insertion(+), 1 deletion(-) |
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diff --git a/Xext/saver.c b/Xext/saver.c |
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index c27a66c80..c23907dbb 100644 |
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--- a/Xext/saver.c |
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+++ b/Xext/saver.c |
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@@ -1351,8 +1351,8 @@ SProcScreenSaverSuspend(ClientPtr client) |
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REQUEST(xScreenSaverSuspendReq); |
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swaps(&stuff->length); |
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- swapl(&stuff->suspend); |
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REQUEST_SIZE_MATCH(xScreenSaverSuspendReq); |
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+ swapl(&stuff->suspend); |
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return ProcScreenSaverSuspend(client); |
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} |
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-- |
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2.33.1 |
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