mirror of
git://slackware.nl/current.git
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dd0455444d
a/dialog-1.3_20211214-x86_64-1.txz: Upgraded.
a/kernel-generic-5.15.8-x86_64-1.txz: Upgraded.
a/kernel-huge-5.15.8-x86_64-1.txz: Upgraded.
a/kernel-modules-5.15.8-x86_64-1.txz: Upgraded.
a/sysvinit-3.01-x86_64-1.txz: Upgraded.
d/kernel-headers-5.15.8-x86-1.txz: Upgraded.
d/patchelf-0.14.3-x86_64-1.txz: Upgraded.
k/kernel-source-5.15.8-noarch-1.txz: Upgraded.
l/oniguruma-6.9.7.1-x86_64-1.txz: Upgraded.
l/pipewire-0.3.41-x86_64-1.txz: Upgraded.
x/libinput-1.19.3-x86_64-1.txz: Upgraded.
x/xorg-server-1.20.13-x86_64-2.txz: Rebuilt.
Fixes for multiple input validation failures in X server extensions:
render: Fix out of bounds access in SProcRenderCompositeGlyphs()
xfixes: Fix out of bounds access in *ProcXFixesCreatePointerBarrier()
Xext: Fix out of bounds access in SProcScreenSaverSuspend()
record: Fix out of bounds access in SwapCreateRegister()
For more information, see:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4008
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4009
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4010
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4011
(* Security fix *)
x/xorg-server-xephyr-1.20.13-x86_64-2.txz: Rebuilt.
x/xorg-server-xnest-1.20.13-x86_64-2.txz: Rebuilt.
x/xorg-server-xvfb-1.20.13-x86_64-2.txz: Rebuilt.
x/xorg-server-xwayland-21.1.4-x86_64-1.txz: Upgraded.
Fixes for multiple input validation failures in X server extensions:
render: Fix out of bounds access in SProcRenderCompositeGlyphs()
xfixes: Fix out of bounds access in *ProcXFixesCreatePointerBarrier()
Xext: Fix out of bounds access in SProcScreenSaverSuspend()
record: Fix out of bounds access in SwapCreateRegister()
For more information, see:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4008
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4009
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4010
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4011
(* Security fix *)
xap/xsnow-3.4.1-x86_64-1.txz: Upgraded.
isolinux/initrd.img: Rebuilt.
kernels/*: Upgraded.
usb-and-pxe-installers/usbboot.img: Rebuilt.
43 lines
1.5 KiB
Diff
43 lines
1.5 KiB
Diff
From b5196750099ae6ae582e1f46bd0a6dad29550e02 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 15:00:01 +0200
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Subject: [PATCH] xfixes: Fix out of bounds access in
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*ProcXFixesCreatePointerBarrier()
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ZDI-CAN-14950, CVE-2021-4009
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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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---
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xfixes/cursor.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/xfixes/cursor.c b/xfixes/cursor.c
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index 60580b88f..c5d4554b2 100644
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--- a/xfixes/cursor.c
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+++ b/xfixes/cursor.c
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@@ -1010,7 +1010,8 @@ ProcXFixesCreatePointerBarrier(ClientPtr client)
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{
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REQUEST(xXFixesCreatePointerBarrierReq);
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- REQUEST_FIXED_SIZE(xXFixesCreatePointerBarrierReq, pad_to_int32(stuff->num_devices));
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+ REQUEST_FIXED_SIZE(xXFixesCreatePointerBarrierReq,
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+ pad_to_int32(stuff->num_devices * sizeof(CARD16)));
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LEGAL_NEW_RESOURCE(stuff->barrier, client);
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return XICreatePointerBarrier(client, stuff);
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@@ -1027,7 +1028,8 @@ SProcXFixesCreatePointerBarrier(ClientPtr client)
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swaps(&stuff->length);
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swaps(&stuff->num_devices);
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- REQUEST_FIXED_SIZE(xXFixesCreatePointerBarrierReq, pad_to_int32(stuff->num_devices));
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+ REQUEST_FIXED_SIZE(xXFixesCreatePointerBarrierReq,
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+ pad_to_int32(stuff->num_devices * sizeof(CARD16)));
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swapl(&stuff->barrier);
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swapl(&stuff->window);
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--
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GitLab
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