diff options
| author |   Kai Kang <kai.kang@windriver.com> | 2021-12-28 17:29:14 +0800 |
|---|---|---|
| committer |   Anuj Mittal <anuj.mittal@intel.com> | 2021-12-29 09:05:24 +0800 |
| commit | 5f300f2be6453947a37231ced56ca577c91d93b4 (patch) | |
| tree | cb5ab2e21b39170e96cc1d37aa039e8e1a7b2bb7 /meta/recipes-graphics | |
| parent | 487971876baa9913541a187d98deddc00e60d3f8 (diff) | |
| download | openembedded-core-contrib-5f300f2be6453947a37231ced56ca577c91d93b4.tar.gz | |
xserver-xorg: fix CVE-2021-4011
Backport patch to fix CVE-2021-4011 for xserver-xorg.
CVE: CVE-2021-4011
Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Diffstat (limited to 'meta/recipes-graphics')
| -rw-r--r-- | meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2021-4011.patch | 40 | ||||
| -rw-r--r-- | meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.10.bb | 1 |
2 files changed, 41 insertions, 0 deletions
diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2021-4011.patch b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2021-4011.patch new file mode 100644 index 0000000000..c7eb03091d --- /dev/null +++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2021-4011.patch @@ -0,0 +1,40 @@ +Backport patch to fix CVE-2021-4011. + +CVE: CVE-2021-4011 +Upstream-Status: Backport [https://gitlab.freedesktop.org/xorg/xserver/-/commit/e56f61c] + +Signed-off-by: Kai Kang <kai.kang@windriver.com> + +From e56f61c79fc3cee26d83cda0f84ae56d5979f768 Mon Sep 17 00:00:00 2001 +From: Povilas Kanapickas <povilas@radix.lt> +Date: Tue, 14 Dec 2021 15:00:00 +0200 +Subject: [PATCH] record: Fix out of bounds access in SwapCreateRegister() + +ZDI-CAN-14952, CVE-2021-4011 + +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> +--- + record/record.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/record/record.c b/record/record.c +index be154525d..e123867a7 100644 +--- a/record/record.c ++++ b/record/record.c +@@ -2516,8 +2516,8 @@ SwapCreateRegister(ClientPtr client, xRecordRegisterClientsReq * stuff) + swapl(pClientID); + } + if (stuff->nRanges > +- client->req_len - bytes_to_int32(sz_xRecordRegisterClientsReq) +- - stuff->nClients) ++ (client->req_len - bytes_to_int32(sz_xRecordRegisterClientsReq) ++ - stuff->nClients) / bytes_to_int32(sz_xRecordRange)) + return BadLength; + RecordSwapRanges((xRecordRange *) pClientID, stuff->nRanges); + return Success; +-- +GitLab + diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.10.bb b/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.10.bb index 84b0acb42f..58f1eb328e 100644 --- a/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.10.bb +++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.10.bb @@ -12,6 +12,7 @@ SRC_URI += "file://0001-xf86pciBus.c-use-Intel-ddx-only-for-pre-gen4-hardwar.pat file://CVE-2021-4008.patch \ file://CVE-2021-4009.patch \ file://CVE-2021-4010.patch \ + file://CVE-2021-4011.patch \ " SRC_URI[sha256sum] = "977420c082450dc808de301ef56af4856d653eea71519a973c3490a780cb7c99" |