From 5e05ee8ff363eac84edec568039b86bcd716c6ce Mon Sep 17 00:00:00 2001 From: Sakib Sajal Date: Tue, 10 Aug 2021 23:08:48 -0400 Subject: qemu: fix CVE-2021-3608 Signed-off-by: Sakib Sajal Signed-off-by: Anuj Mittal --- meta/recipes-devtools/qemu/qemu.inc | 1 + .../recipes-devtools/qemu/qemu/CVE-2021-3608.patch | 43 ++++++++++++++++++++++ 2 files changed, 44 insertions(+) create mode 100644 meta/recipes-devtools/qemu/qemu/CVE-2021-3608.patch diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc index 0849196650..c3eecea9d4 100644 --- a/meta/recipes-devtools/qemu/qemu.inc +++ b/meta/recipes-devtools/qemu/qemu.inc @@ -68,6 +68,7 @@ SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \ file://CVE-2021-3527-2.patch \ file://CVE-2021-3582.patch \ file://CVE-2021-3607.patch \ + file://CVE-2021-3608.patch \ " UPSTREAM_CHECK_REGEX = "qemu-(?P\d+(\.\d+)+)\.tar" diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2021-3608.patch b/meta/recipes-devtools/qemu/qemu/CVE-2021-3608.patch new file mode 100644 index 0000000000..22d68b025d --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/CVE-2021-3608.patch @@ -0,0 +1,43 @@ +From 66ae37d8cc313f89272e711174a846a229bcdbd3 Mon Sep 17 00:00:00 2001 +From: Marcel Apfelbaum +Date: Wed, 30 Jun 2021 14:52:46 +0300 +Subject: [PATCH] pvrdma: Fix the ring init error flow (CVE-2021-3608) +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Do not unmap uninitialized dma addresses. + +Fixes: CVE-2021-3608 +Reviewed-by: VictorV (Kunlun Lab) +Tested-by: VictorV (Kunlun Lab) +Signed-off-by: Marcel Apfelbaum +Message-Id: <20210630115246.2178219-1-marcel@redhat.com> +Tested-by: Yuval Shaia +Reviewed-by: Yuval Shaia +Reviewed-by: Philippe Mathieu-Daudé +Signed-off-by: Marcel Apfelbaum + +CVE: CVE-2021-3608 +Upstream-Status: Backport [66ae37d8cc313f89272e711174a846a229bcdbd3] +Signed-off-by: Sakib Sajal +--- + hw/rdma/vmw/pvrdma_dev_ring.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/hw/rdma/vmw/pvrdma_dev_ring.c b/hw/rdma/vmw/pvrdma_dev_ring.c +index 074ac59b84..42130667a7 100644 +--- a/hw/rdma/vmw/pvrdma_dev_ring.c ++++ b/hw/rdma/vmw/pvrdma_dev_ring.c +@@ -41,7 +41,7 @@ int pvrdma_ring_init(PvrdmaRing *ring, const char *name, PCIDevice *dev, + qatomic_set(&ring->ring_state->cons_head, 0); + */ + ring->npages = npages; +- ring->pages = g_malloc(npages * sizeof(void *)); ++ ring->pages = g_malloc0(npages * sizeof(void *)); + + for (i = 0; i < npages; i++) { + if (!tbl[i]) { +-- +2.25.1 + -- cgit 1.2.3-korg