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qemu: fix CVE-2021-3608

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(From OE-Core rev: 5e05ee8ff363eac84edec568039b86bcd716c6ce)

Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Sakib Sajal
2021-08-10 23:08:48 -04:00
committed by Richard Purdie
parent 460485d774
commit f5e77d70e2
2 changed files with 44 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
meta/recipes-devtools/qemu/qemu.inc
View File

@@ -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<pver>\d+(\.\d+)+)\.tar"

43
meta/recipes-devtools/qemu/qemu/CVE-2021-3608.patch Normal file
View File

@@ -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