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-rw-r--r--meta/recipes-devtools/qemu/qemu/CVE-2021-3608.patch43
1 files changed, 43 insertions, 0 deletions
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 <marcel.apfelbaum@gmail.com>
+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) <vv474172261@gmail.com>
+Tested-by: VictorV (Kunlun Lab) <vv474172261@gmail.com>
+Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
+Message-Id: <20210630115246.2178219-1-marcel@redhat.com>
+Tested-by: Yuval Shaia <yuval.shaia.ml@gmail.com>
+Reviewed-by: Yuval Shaia <yuval.shaia.ml@gmail.com>
+Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
+Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
+
+CVE: CVE-2021-3608
+Upstream-Status: Backport [66ae37d8cc313f89272e711174a846a229bcdbd3]
+Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com>
+---
+ 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
+