1 files changed, 71 insertions, 0 deletions

diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2021-3409-3.patch b/meta/recipes-devtools/qemu/qemu/CVE-2021-3409-3.patch
new file mode 100644
index 0000000000..d06ac0ed3c
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/CVE-2021-3409-3.patch
@@ -0,0 +1,71 @@
+Backport of:
+
+From bc6f28995ff88f5d82c38afcfd65406f0ae375aa Mon Sep 17 00:00:00 2001
+From: Bin Meng <bmeng.cn@gmail.com>
+Date: Wed, 3 Mar 2021 20:26:37 +0800
+Subject: [PATCH] hw/sd: sdhci: Correctly set the controller status for ADMA
+MIME-Version: 1.0
+Content-Type: text/plain; charset=utf8
+Content-Transfer-Encoding: 8bit
+
+When an ADMA transfer is started, the codes forget to set the
+controller status to indicate a transfer is in progress.
+
+With this fix, the following 2 reproducers:
+
+https://paste.debian.net/plain/1185136
+https://paste.debian.net/plain/1185141
+
+cannot be reproduced with the following QEMU command line:
+
+$ qemu-system-x86_64 -nographic -machine accel=qtest -m 512M \
+      -nodefaults -device sdhci-pci,sd-spec-version=3 \
+      -drive if=sd,index=0,file=null-co://,format=raw,id=mydrive \
+      -device sd-card,drive=mydrive -qtest stdio
+
+Cc: qemu-stable@nongnu.org
+Fixes: CVE-2020-17380
+Fixes: CVE-2020-25085
+Fixes: CVE-2021-3409
+Fixes: d7dfca0807a0 ("hw/sdhci: introduce standard SD host controller")
+Reported-by: Alexander Bulekov <alxndr@bu.edu>
+Reported-by: Cornelius Aschermann (Ruhr-Universität Bochum)
+Reported-by: Sergej Schumilo (Ruhr-Universität Bochum)
+Reported-by: Simon Wörner (Ruhr-Universität Bochum)
+Buglink: https://bugs.launchpad.net/qemu/+bug/1892960
+Buglink: https://bugs.launchpad.net/qemu/+bug/1909418
+Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1928146
+Tested-by: Alexander Bulekov <alxndr@bu.edu>
+Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
+Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
+Message-Id: <20210303122639.20004-4-bmeng.cn@gmail.com>
+Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
+
+CVE: CVE-2021-3409 CVE-2020-17380
+Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/qemu/tree/debian/patches/CVE-2021-3409-3.patch?h=ubuntu/focal-security Upstream commit https://github.com/qemu/qemu/commit/bc6f28995ff88f5d82c38afcfd65406f0ae375aa ]
+Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
+---
+ hw/sd/sdhci.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+--- a/hw/sd/sdhci.c
++++ b/hw/sd/sdhci.c
+@@ -776,8 +776,9 @@ static void sdhci_do_adma(SDHCIState *s)
+ 
+         switch (dscr.attr & SDHC_ADMA_ATTR_ACT_MASK) {
+         case SDHC_ADMA_ATTR_ACT_TRAN:  /* data transfer */
+-
++            s->prnsts |= SDHC_DATA_INHIBIT | SDHC_DAT_LINE_ACTIVE;
+             if (s->trnmod & SDHC_TRNS_READ) {
++                s->prnsts |= SDHC_DOING_READ;
+                 while (length) {
+                     if (s->data_count == 0) {
+                         for (n = 0; n < block_size; n++) {
+@@ -807,6 +808,7 @@ static void sdhci_do_adma(SDHCIState *s)
+                     }
+                 }
+             } else {
++                s->prnsts |= SDHC_DOING_WRITE;
+                 while (length) {
+                     begin = s->data_count;
+                     if ((length + begin) < block_size) {