diff options
| author |   Sakib Sajal <sakib.sajal@windriver.com> | 2022-02-02 10:47:17 -0500 |
|---|---|---|
| committer |   Anuj Mittal <anuj.mittal@intel.com> | 2022-02-07 11:01:21 +0800 |
| commit | 7879ba4406eb9633079275c57abeee9e738b1c99 (patch) | |
| tree | 36adb6d5378be5dc6e3d9821c796035ccf06cc44 /meta/recipes-devtools | |
| parent | d54d7e7b43da621be8e6fcca34feb7b3d49b8160 (diff) | |
| download | openembedded-core-7879ba4406eb9633079275c57abeee9e738b1c99.tar.gz | |
qemu: fix CVE-2021-3713
Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Diffstat (limited to 'meta/recipes-devtools')
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu.inc | 1 | ||||
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu/CVE-2021-3713.patch | 68 |
2 files changed, 69 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc index 463339e42b..3aad41088a 100644 --- a/meta/recipes-devtools/qemu/qemu.inc +++ b/meta/recipes-devtools/qemu/qemu.inc @@ -70,6 +70,7 @@ SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \ file://CVE-2021-3607.patch \ file://CVE-2021-3608.patch \ file://CVE-2021-3682.patch \ + file://CVE-2021-3713.patch \ " UPSTREAM_CHECK_REGEX = "qemu-(?P<pver>\d+(\.\d+)+)\.tar" diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2021-3713.patch b/meta/recipes-devtools/qemu/qemu/CVE-2021-3713.patch new file mode 100644 index 0000000000..33fca66d3d --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/CVE-2021-3713.patch @@ -0,0 +1,68 @@ +From 9a8f71ec660e67c51cc5905dd9d2a12ff78ce743 Mon Sep 17 00:00:00 2001 +From: Gerd Hoffmann <kraxel@redhat.com> +Date: Wed, 18 Aug 2021 14:05:05 +0200 +Subject: [PATCH 08/12] uas: add stream number sanity checks. +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The device uses the guest-supplied stream number unchecked, which can +lead to guest-triggered out-of-band access to the UASDevice->data3 and +UASDevice->status3 fields. Add the missing checks. + +Fixes: CVE-2021-3713 +Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> +Reported-by: Chen Zhe <chenzhe@huawei.com> +Reported-by: Tan Jingguo <tanjingguo@huawei.com> +Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> +Message-Id: <20210818120505.1258262-2-kraxel@redhat.com> +(cherry picked from commit 13b250b12ad3c59114a6a17d59caf073ce45b33a) +Signed-off-by: Michael Roth <michael.roth@amd.com> + +Upstream-Status: Backport [36403e8788a264dc96174f52584681ebcb4f54b1] +CVE: CVE-2021-3713 + +Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com> +--- + hw/usb/dev-uas.c | 11 +++++++++++ + 1 file changed, 11 insertions(+) + +diff --git a/hw/usb/dev-uas.c b/hw/usb/dev-uas.c +index cec071d96..157734eb0 100644 +--- a/hw/usb/dev-uas.c ++++ b/hw/usb/dev-uas.c +@@ -831,6 +831,9 @@ static void usb_uas_handle_data(USBDevice *dev, USBPacket *p) + } + break; + case UAS_PIPE_ID_STATUS: ++ if (p->stream > UAS_MAX_STREAMS) { ++ goto err_stream; ++ } + if (p->stream) { + QTAILQ_FOREACH(st, &uas->results, next) { + if (st->stream == p->stream) { +@@ -858,6 +861,9 @@ static void usb_uas_handle_data(USBDevice *dev, USBPacket *p) + break; + case UAS_PIPE_ID_DATA_IN: + case UAS_PIPE_ID_DATA_OUT: ++ if (p->stream > UAS_MAX_STREAMS) { ++ goto err_stream; ++ } + if (p->stream) { + req = usb_uas_find_request(uas, p->stream); + } else { +@@ -893,6 +899,11 @@ static void usb_uas_handle_data(USBDevice *dev, USBPacket *p) + p->status = USB_RET_STALL; + break; + } ++ ++err_stream: ++ error_report("%s: invalid stream %d", __func__, p->stream); ++ p->status = USB_RET_STALL; ++ return; + } + + static void usb_uas_unrealize(USBDevice *dev) +-- +2.31.1 + |