mirror of https://github.com/xemu-project/xemu.git
![]() 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:
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.. | ||
Kconfig | ||
allwinner-sdhost.c | ||
aspeed_sdhci.c | ||
bcm2835_sdhost.c | ||
cadence_sdhci.c | ||
core.c | ||
meson.build | ||
milkymist-memcard.c | ||
omap_mmc.c | ||
pl181.c | ||
pxa2xx_mmci.c | ||
sd.c | ||
sdhci-internal.h | ||
sdhci-pci.c | ||
sdhci.c | ||
sdmmc-internal.c | ||
sdmmc-internal.h | ||
ssi-sd.c | ||
trace-events | ||
trace.h |