mirrors/poky
1
0
Fork 0
mirror of https://git.yoctoproject.org/poky synced 2026-04-26 09:32:14 +02:00
Code Issues Packages Projects Releases Wiki Activity

xserver-xorg: fix CVE-2020-14346/14361/14362

Browse Source 
fix :
CVE-2020-14346
c940cc8b6c

CVE-2020-14361
144849ea27

CVE-2020-14362
2902b78535

(From OE-Core rev: d485870543fbc111832735ae713b2ec405ce78fa)

Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Chee Yang Lee
2020-09-21 17:29:03 +08:00
committed by Richard Purdie
parent 4557652c4f
commit 0b214cad54
4 changed files with 145 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2020-14346.patch Normal file
View File

@@ -0,0 +1,36 @@
From c940cc8b6c0a2983c1ec974f1b3f019795dd4cff Mon Sep 17 00:00:00 2001
From: Matthieu Herrb <matthieu@herrb.eu>
Date: Tue, 18 Aug 2020 14:49:04 +0200
Subject: [PATCH] Fix XIChangeHierarchy() integer underflow
CVE-2020-14346 / ZDI-CAN-11429
This vulnerability was discovered by:
Jan-Niklas Sohn working with Trend Micro Zero Day Initiative
Signed-off-by: Matthieu Herrb <matthieu@herrb.eu>
Upstream-Status: Backport
[https://gitlab.freedesktop.org/xorg/xserver/-/commit/c940cc8b6c0a2983c1ec974f1b3f019795dd4cff]
CVE: CVE-2020-14346
Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
---
Xi/xichangehierarchy.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Xi/xichangehierarchy.c b/Xi/xichangehierarchy.c
index cbdd91258..504defe56 100644
--- a/Xi/xichangehierarchy.c
+++ b/Xi/xichangehierarchy.c
@@ -423,7 +423,7 @@ ProcXIChangeHierarchy(ClientPtr client)
if (!stuff->num_changes)
return rc;
- len = ((size_t)stuff->length << 2) - sizeof(xXIChangeHierarchyReq);
+ len = ((size_t)client->req_len << 2) - sizeof(xXIChangeHierarchyReq);
any = (xXIAnyHierarchyChangeInfo *) &stuff[1];
while (stuff->num_changes--) {
--
2.17.1

36
meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2020-14361.patch Normal file
View File

@@ -0,0 +1,36 @@
From 144849ea27230962227e62a943b399e2ab304787 Mon Sep 17 00:00:00 2001
From: Matthieu Herrb <matthieu@herrb.eu>
Date: Tue, 18 Aug 2020 14:52:29 +0200
Subject: [PATCH] Fix XkbSelectEvents() integer underflow
CVE-2020-14361 ZDI-CAN 11573
This vulnerability was discovered by:
Jan-Niklas Sohn working with Trend Micro Zero Day Initiative
Signed-off-by: Matthieu Herrb <matthieu@herrb.eu>
Upstream-Status: Backport
[https://gitlab.freedesktop.org/xorg/xserver/-/commit/144849ea27230962227e62a943b399e2ab304787]
CVE: CVE-2020-14361
Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
---
xkb/xkbSwap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xkb/xkbSwap.c b/xkb/xkbSwap.c
index 1c1ed5ff4..50cabb90e 100644
--- a/xkb/xkbSwap.c
+++ b/xkb/xkbSwap.c
@@ -76,7 +76,7 @@ SProcXkbSelectEvents(ClientPtr client)
register unsigned bit, ndx, maskLeft, dataLeft, size;
from.c8 = (CARD8 *) &stuff[1];
- dataLeft = (stuff->length * 4) - SIZEOF(xkbSelectEventsReq);
+ dataLeft = (client->req_len * 4) - SIZEOF(xkbSelectEventsReq);
maskLeft = (stuff->affectWhich & (~XkbMapNotifyMask));
for (ndx = 0, bit = 1; (maskLeft != 0); ndx++, bit <<= 1) {
if (((bit & maskLeft) == 0) || (ndx == XkbMapNotify))
--
2.17.1

70
meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2020-14362.patch Normal file
View File

@@ -0,0 +1,70 @@
From 2902b78535ecc6821cc027351818b28a5c7fdbdc Mon Sep 17 00:00:00 2001
From: Matthieu Herrb <matthieu@herrb.eu>
Date: Tue, 18 Aug 2020 14:55:01 +0200
Subject: [PATCH] Fix XRecordRegisterClients() Integer underflow
CVE-2020-14362 ZDI-CAN-11574
This vulnerability was discovered by:
Jan-Niklas Sohn working with Trend Micro Zero Day Initiative
Signed-off-by: Matthieu Herrb <matthieu@herrb.eu>
Upstream-Status: Backport
[https://gitlab.freedesktop.org/xorg/xserver/-/commit/2902b78535ecc6821cc027351818b28a5c7fdbdc]
CVE: CVE-2020-14362
Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
---
record/record.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/record/record.c b/record/record.c
index f2d38c877..be154525d 100644
--- a/record/record.c
+++ b/record/record.c
@@ -2500,7 +2500,7 @@ SProcRecordQueryVersion(ClientPtr client)
} /* SProcRecordQueryVersion */
static int _X_COLD
-SwapCreateRegister(xRecordRegisterClientsReq * stuff)
+SwapCreateRegister(ClientPtr client, xRecordRegisterClientsReq * stuff)
{
int i;
XID *pClientID;
@@ -2510,13 +2510,13 @@ SwapCreateRegister(xRecordRegisterClientsReq * stuff)
swapl(&stuff->nRanges);
pClientID = (XID *) &stuff[1];
if (stuff->nClients >
- stuff->length - bytes_to_int32(sz_xRecordRegisterClientsReq))
+ client->req_len - bytes_to_int32(sz_xRecordRegisterClientsReq))
return BadLength;
for (i = 0; i < stuff->nClients; i++, pClientID++) {
swapl(pClientID);
}
if (stuff->nRanges >
- stuff->length - bytes_to_int32(sz_xRecordRegisterClientsReq)
+ client->req_len - bytes_to_int32(sz_xRecordRegisterClientsReq)
- stuff->nClients)
return BadLength;
RecordSwapRanges((xRecordRange *) pClientID, stuff->nRanges);
@@ -2531,7 +2531,7 @@ SProcRecordCreateContext(ClientPtr client)
swaps(&stuff->length);
REQUEST_AT_LEAST_SIZE(xRecordCreateContextReq);
- if ((status = SwapCreateRegister((void *) stuff)) != Success)
+ if ((status = SwapCreateRegister(client, (void *) stuff)) != Success)
return status;
return ProcRecordCreateContext(client);
} /* SProcRecordCreateContext */
@@ -2544,7 +2544,7 @@ SProcRecordRegisterClients(ClientPtr client)
swaps(&stuff->length);
REQUEST_AT_LEAST_SIZE(xRecordRegisterClientsReq);
- if ((status = SwapCreateRegister((void *) stuff)) != Success)
+ if ((status = SwapCreateRegister(client, (void *) stuff)) != Success)
return status;
return ProcRecordRegisterClients(client);
} /* SProcRecordRegisterClients */
--
2.17.1

3
meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.8.bb
View File

@@ -6,6 +6,9 @@ SRC_URI += "file://0001-xf86pciBus.c-use-Intel-ddx-only-for-pre-gen4-hardwar.pat
file://sdksyms-no-build-path.patch \
file://0001-drmmode_display.c-add-missing-mi.h-include.patch \
file://CVE-2020-14347.patch \
file://CVE-2020-14346.patch \
file://CVE-2020-14361.patch \
file://CVE-2020-14362.patch \
"
SRC_URI[md5sum] = "a770aec600116444a953ff632f51f839"
SRC_URI[sha256sum] = "d17b646bee4ba0fb7850c1cc55b18e3e8513ed5c02bdf38da7e107f84e2d0146"