diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/CVE-2021-3409_2.patch')
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu/CVE-2021-3409_2.patch | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2021-3409_2.patch b/meta/recipes-devtools/qemu/qemu/CVE-2021-3409_2.patch deleted file mode 100644 index f3d2bb1375..0000000000 --- a/meta/recipes-devtools/qemu/qemu/CVE-2021-3409_2.patch +++ /dev/null @@ -1,92 +0,0 @@ -From b9bb4700798bce98888c51d7b6dbc19ec49159d5 Mon Sep 17 00:00:00 2001 -From: Bin Meng <bmeng.cn@gmail.com> -Date: Wed, 3 Mar 2021 20:26:35 +0800 -Subject: [PATCH 2/6] hw/sd: sdhci: Don't transfer any data when command time - out -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -At the end of sdhci_send_command(), it starts a data transfer if the -command register indicates data is associated. But the data transfer -should only be initiated when the command execution has succeeded. - -With this fix, the following reproducer: - -outl 0xcf8 0x80001810 -outl 0xcfc 0xe1068000 -outl 0xcf8 0x80001804 -outw 0xcfc 0x7 -write 0xe106802c 0x1 0x0f -write 0xe1068004 0xc 0x2801d10101fffffbff28a384 -write 0xe106800c 0x1f 0x9dacbbcad9e8f7061524334251606f7e8d9cabbac9d8e7f60514233241505f -write 0xe1068003 0x28 0x80d000251480d000252280d000253080d000253e80d000254c80d000255a80d000256880d0002576 -write 0xe1068003 0x1 0xfe - -cannot be reproduced with the following QEMU command line: - -$ qemu-system-x86_64 -nographic -M pc-q35-5.0 \ - -device sdhci-pci,sd-spec-version=3 \ - -drive if=sd,index=0,file=null-co://,format=raw,id=mydrive \ - -device sd-card,drive=mydrive \ - -monitor none -serial none -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 -Acked-by: Alistair Francis <alistair.francis@wdc.com> -Tested-by: Alexander Bulekov <alxndr@bu.edu> -Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> -Signed-off-by: Bin Meng <bmeng.cn@gmail.com> -Message-Id: <20210303122639.20004-2-bmeng.cn@gmail.com> -Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> - -Upstream-Status: Backport [b263d8f928001b5cfa2a993ea43b7a5b3a1811e8] -CVE: CVE-2021-3409 - -Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com> ---- - hw/sd/sdhci.c | 4 +++- - 1 file changed, 3 insertions(+), 1 deletion(-) - -diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c -index f83c5e295..44f8a82ea 100644 ---- a/hw/sd/sdhci.c -+++ b/hw/sd/sdhci.c -@@ -326,6 +326,7 @@ static void sdhci_send_command(SDHCIState *s) - SDRequest request; - uint8_t response[16]; - int rlen; -+ bool timeout = false; - - s->errintsts = 0; - s->acmd12errsts = 0; -@@ -349,6 +350,7 @@ static void sdhci_send_command(SDHCIState *s) - trace_sdhci_response16(s->rspreg[3], s->rspreg[2], - s->rspreg[1], s->rspreg[0]); - } else { -+ timeout = true; - trace_sdhci_error("timeout waiting for command response"); - if (s->errintstsen & SDHC_EISEN_CMDTIMEOUT) { - s->errintsts |= SDHC_EIS_CMDTIMEOUT; -@@ -369,7 +371,7 @@ static void sdhci_send_command(SDHCIState *s) - - sdhci_update_irq(s); - -- if (s->blksize && (s->cmdreg & SDHC_CMD_DATA_PRESENT)) { -+ if (!timeout && s->blksize && (s->cmdreg & SDHC_CMD_DATA_PRESENT)) { - s->data_count = 0; - sdhci_data_transfer(s); - } --- -2.29.2 - |